21000340860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{1229}}^1$

素因数の和:1500

約数の個数: 192

約数和(自身を含む): 62190374400

約数和(自身を除く): 41190033540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 43, 60, 74, 86, 111, 129, 148, 172, 179, 185, 215, 222, 258, 358, 370, 430, 444, 516, 537, 555, 645, 716, 740, 860, 895, 1074, 1110, 1229, 1290, 1591, 1790, 2148, 2220, 2458, 2580, 2685, 3182, 3580, 3687, 4773, 4916, 5370, 6145, 6364, 6623, 7374, 7697, 7955, 9546, 10740, 12290, 13246, 14748, 15394, 15910, 18435, 19092, 19869, 23091, 23865, 24580, 26492, 30788, 31820, 33115, 36870, 38485, 39738, 45473, 46182, 47730, 52847, 66230, 73740, 76970, 79476, 90946, 92364, 95460, 99345, 105694, 115455, 132460, 136419, 153940, 158541, 181892, 198690, 211388, 219991, 227365, 230910, 264235, 272838, 284789, 317082, 397380, 439982, 454730, 461820, 528470, 545676, 569578, 634164, 659973, 682095, 792705, 854367, 879964, 909460, 1056940, 1099955, 1139156, 1319946, 1364190, 1423945, 1585410, 1708734, 1955339, 2199910, 2639892, 2728380, 2847890, 3170820, 3299865, 3417468, 3910678, 4271835, 4399820, 5695780, 5866017, 6599730, 7821356, 8139667, 8543670, 9459613, 9776695, 11732034, 13199460, 16279334, 17087340, 18919226, 19553390, 23464068, 24419001, 28378839, 29330085, 32558668, 37838452, 39106780, 40698335, 47298065, 48838002, 56757678, 58660170, 81396670, 94596130, 97676004, 113515356, 117320340, 122095005, 141894195, 162793340, 189192260, 244190010, 283788390, 350005681, 488380020, 567576780, 700011362, 1050017043, 1400022724, 1750028405, 2100034086, 3500056810, 4200068172, 5250085215, 7000113620, 10500170430, 21000340860]

約数ペア:

[(1, 21000340860), (2, 10500170430), (3, 7000113620), (4, 5250085215), (5, 4200068172), (6, 3500056810), (10, 2100034086), (12, 1750028405), (15, 1400022724), (20, 1050017043), (30, 700011362), (37, 567576780), (43, 488380020), (60, 350005681), (74, 283788390), (86, 244190010), (111, 189192260), (129, 162793340), (148, 141894195), (172, 122095005), (179, 117320340), (185, 113515356), (215, 97676004), (222, 94596130), (258, 81396670), (358, 58660170), (370, 56757678), (430, 48838002), (444, 47298065), (516, 40698335), (537, 39106780), (555, 37838452), (645, 32558668), (716, 29330085), (740, 28378839), (860, 24419001), (895, 23464068), (1074, 19553390), (1110, 18919226), (1229, 17087340), (1290, 16279334), (1591, 13199460), (1790, 11732034), (2148, 9776695), (2220, 9459613), (2458, 8543670), (2580, 8139667), (2685, 7821356), (3182, 6599730), (3580, 5866017), (3687, 5695780), (4773, 4399820), (4916, 4271835), (5370, 3910678), (6145, 3417468), (6364, 3299865), (6623, 3170820), (7374, 2847890), (7697, 2728380), (7955, 2639892), (9546, 2199910), (10740, 1955339), (12290, 1708734), (13246, 1585410), (14748, 1423945), (15394, 1364190), (15910, 1319946), (18435, 1139156), (19092, 1099955), (19869, 1056940), (23091, 909460), (23865, 879964), (24580, 854367), (26492, 792705), (30788, 682095), (31820, 659973), (33115, 634164), (36870, 569578), (38485, 545676), (39738, 528470), (45473, 461820), (46182, 454730), (47730, 439982), (52847, 397380), (66230, 317082), (73740, 284789), (76970, 272838), (79476, 264235), (90946, 230910), (92364, 227365), (95460, 219991), (99345, 211388), (105694, 198690), (115455, 181892), (132460, 158541), (136419, 153940)]