21285510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:485

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 33146490

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 107, 114, 190, 214, 285, 321, 349, 535, 570, 642, 698, 1047, 1070, 1605, 1745, 2033, 2094, 3210, 3490, 4066, 5235, 6099, 6631, 10165, 10470, 12198, 13262, 19893, 20330, 30495, 33155, 37343, 39786, 60990, 66310, 74686, 99465, 112029, 186715, 198930, 224058, 373430, 560145, 709517, 1120290, 1419034, 2128551, 3547585, 4257102, 7095170, 10642755, 21285510]

約数ペア:

[(1, 21285510), (2, 10642755), (3, 7095170), (5, 4257102), (6, 3547585), (10, 2128551), (15, 1419034), (19, 1120290), (30, 709517), (38, 560145), (57, 373430), (95, 224058), (107, 198930), (114, 186715), (190, 112029), (214, 99465), (285, 74686), (321, 66310), (349, 60990), (535, 39786), (570, 37343), (642, 33155), (698, 30495), (1047, 20330), (1070, 19893), (1605, 13262), (1745, 12198), (2033, 10470), (2094, 10165), (3210, 6631), (3490, 6099), (4066, 5235)]