21071160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:358

約数の個数: 192

約数和(自身を含む): 79354080

約数和(自身を除く): 58282920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 17, 18, 20, 22, 24, 30, 33, 34, 36, 40, 44, 45, 51, 55, 60, 66, 68, 72, 85, 88, 90, 99, 102, 110, 120, 132, 136, 153, 165, 170, 180, 187, 198, 204, 220, 255, 264, 306, 313, 330, 340, 360, 374, 396, 408, 440, 495, 510, 561, 612, 626, 660, 680, 748, 765, 792, 935, 939, 990, 1020, 1122, 1224, 1252, 1320, 1496, 1530, 1565, 1683, 1870, 1878, 1980, 2040, 2244, 2504, 2805, 2817, 3060, 3130, 3366, 3443, 3740, 3756, 3960, 4488, 4695, 5321, 5610, 5634, 6120, 6260, 6732, 6886, 7480, 7512, 8415, 9390, 10329, 10642, 11220, 11268, 12520, 13464, 13772, 14085, 15963, 16830, 17215, 18780, 20658, 21284, 22440, 22536, 26605, 27544, 28170, 30987, 31926, 33660, 34430, 37560, 41316, 42568, 47889, 51645, 53210, 56340, 58531, 61974, 63852, 67320, 68860, 79815, 82632, 95778, 103290, 106420, 112680, 117062, 123948, 127704, 137720, 154935, 159630, 175593, 191556, 206580, 212840, 234124, 239445, 247896, 292655, 309870, 319260, 351186, 383112, 413160, 468248, 478890, 526779, 585310, 619740, 638520, 702372, 877965, 957780, 1053558, 1170620, 1239480, 1404744, 1755930, 1915560, 2107116, 2341240, 2633895, 3511860, 4214232, 5267790, 7023720, 10535580, 21071160]

約数ペア:

[(1, 21071160), (2, 10535580), (3, 7023720), (4, 5267790), (5, 4214232), (6, 3511860), (8, 2633895), (9, 2341240), (10, 2107116), (11, 1915560), (12, 1755930), (15, 1404744), (17, 1239480), (18, 1170620), (20, 1053558), (22, 957780), (24, 877965), (30, 702372), (33, 638520), (34, 619740), (36, 585310), (40, 526779), (44, 478890), (45, 468248), (51, 413160), (55, 383112), (60, 351186), (66, 319260), (68, 309870), (72, 292655), (85, 247896), (88, 239445), (90, 234124), (99, 212840), (102, 206580), (110, 191556), (120, 175593), (132, 159630), (136, 154935), (153, 137720), (165, 127704), (170, 123948), (180, 117062), (187, 112680), (198, 106420), (204, 103290), (220, 95778), (255, 82632), (264, 79815), (306, 68860), (313, 67320), (330, 63852), (340, 61974), (360, 58531), (374, 56340), (396, 53210), (408, 51645), (440, 47889), (495, 42568), (510, 41316), (561, 37560), (612, 34430), (626, 33660), (660, 31926), (680, 30987), (748, 28170), (765, 27544), (792, 26605), (935, 22536), (939, 22440), (990, 21284), (1020, 20658), (1122, 18780), (1224, 17215), (1252, 16830), (1320, 15963), (1496, 14085), (1530, 13772), (1565, 13464), (1683, 12520), (1870, 11268), (1878, 11220), (1980, 10642), (2040, 10329), (2244, 9390), (2504, 8415), (2805, 7512), (2817, 7480), (3060, 6886), (3130, 6732), (3366, 6260), (3443, 6120), (3740, 5634), (3756, 5610), (3960, 5321), (4488, 4695)]