21007034460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{769}}^1\times {\mathrm{3229}}^1$

素因数の和:4060

約数の個数: 144

約数和(自身を含む): 65181916800

約数和(自身を除く): 44174882340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 769, 846, 940, 1410, 1538, 1692, 2115, 2307, 2820, 3076, 3229, 3845, 4230, 4614, 6458, 6921, 7690, 8460, 9228, 9687, 11535, 12916, 13842, 15380, 16145, 19374, 23070, 27684, 29061, 32290, 34605, 36143, 38748, 46140, 48435, 58122, 64580, 69210, 72286, 96870, 108429, 116244, 138420, 144572, 145305, 151763, 180715, 193740, 216858, 290610, 303526, 325287, 361430, 433716, 455289, 542145, 581220, 607052, 650574, 722860, 758815, 910578, 1084290, 1301148, 1365867, 1517630, 1626435, 1821156, 2168580, 2276445, 2483101, 2731734, 3035260, 3252870, 4552890, 4966202, 5463468, 6505740, 6829335, 7449303, 9105780, 9932404, 12415505, 13658670, 14898606, 22347909, 24831010, 27317340, 29797212, 37246515, 44695818, 49662020, 74493030, 89391636, 111739545, 116705747, 148986060, 223479090, 233411494, 350117241, 446958180, 466822988, 583528735, 700234482, 1050351723, 1167057470, 1400468964, 1750586205, 2100703446, 2334114940, 3501172410, 4201406892, 5251758615, 7002344820, 10503517230, 21007034460]

約数ペア:

[(1, 21007034460), (2, 10503517230), (3, 7002344820), (4, 5251758615), (5, 4201406892), (6, 3501172410), (9, 2334114940), (10, 2100703446), (12, 1750586205), (15, 1400468964), (18, 1167057470), (20, 1050351723), (30, 700234482), (36, 583528735), (45, 466822988), (47, 446958180), (60, 350117241), (90, 233411494), (94, 223479090), (141, 148986060), (180, 116705747), (188, 111739545), (235, 89391636), (282, 74493030), (423, 49662020), (470, 44695818), (564, 37246515), (705, 29797212), (769, 27317340), (846, 24831010), (940, 22347909), (1410, 14898606), (1538, 13658670), (1692, 12415505), (2115, 9932404), (2307, 9105780), (2820, 7449303), (3076, 6829335), (3229, 6505740), (3845, 5463468), (4230, 4966202), (4614, 4552890), (6458, 3252870), (6921, 3035260), (7690, 2731734), (8460, 2483101), (9228, 2276445), (9687, 2168580), (11535, 1821156), (12916, 1626435), (13842, 1517630), (15380, 1365867), (16145, 1301148), (19374, 1084290), (23070, 910578), (27684, 758815), (29061, 722860), (32290, 650574), (34605, 607052), (36143, 581220), (38748, 542145), (46140, 455289), (48435, 433716), (58122, 361430), (64580, 325287), (69210, 303526), (72286, 290610), (96870, 216858), (108429, 193740), (116244, 180715), (138420, 151763), (144572, 145305)]