21302460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1$

素因数の和:504

約数の個数: 96

約数和(自身を含む): 67092480

約数和(自身を除く): 45790020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 103, 108, 135, 180, 206, 270, 309, 383, 412, 515, 540, 618, 766, 927, 1030, 1149, 1236, 1532, 1545, 1854, 1915, 2060, 2298, 2781, 3090, 3447, 3708, 3830, 4596, 4635, 5562, 5745, 6180, 6894, 7660, 9270, 10341, 11124, 11490, 13788, 13905, 17235, 18540, 20682, 22980, 27810, 34470, 39449, 41364, 51705, 55620, 68940, 78898, 103410, 118347, 157796, 197245, 206820, 236694, 355041, 394490, 473388, 591735, 710082, 788980, 1065123, 1183470, 1420164, 1775205, 2130246, 2366940, 3550410, 4260492, 5325615, 7100820, 10651230, 21302460]

約数ペア:

[(1, 21302460), (2, 10651230), (3, 7100820), (4, 5325615), (5, 4260492), (6, 3550410), (9, 2366940), (10, 2130246), (12, 1775205), (15, 1420164), (18, 1183470), (20, 1065123), (27, 788980), (30, 710082), (36, 591735), (45, 473388), (54, 394490), (60, 355041), (90, 236694), (103, 206820), (108, 197245), (135, 157796), (180, 118347), (206, 103410), (270, 78898), (309, 68940), (383, 55620), (412, 51705), (515, 41364), (540, 39449), (618, 34470), (766, 27810), (927, 22980), (1030, 20682), (1149, 18540), (1236, 17235), (1532, 13905), (1545, 13788), (1854, 11490), (1915, 11124), (2060, 10341), (2298, 9270), (2781, 7660), (3090, 6894), (3447, 6180), (3708, 5745), (3830, 5562), (4596, 4635)]