21220530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{631}}^1$

素因数の和:719

約数の個数: 64

約数和(自身を含む): 54604800

約数和(自身を除く): 33384270

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 59, 95, 114, 118, 177, 190, 285, 295, 354, 570, 590, 631, 885, 1121, 1262, 1770, 1893, 2242, 3155, 3363, 3786, 5605, 6310, 6726, 9465, 11210, 11989, 16815, 18930, 23978, 33630, 35967, 37229, 59945, 71934, 74458, 111687, 119890, 179835, 186145, 223374, 359670, 372290, 558435, 707351, 1116870, 1414702, 2122053, 3536755, 4244106, 7073510, 10610265, 21220530]

約数ペア:

[(1, 21220530), (2, 10610265), (3, 7073510), (5, 4244106), (6, 3536755), (10, 2122053), (15, 1414702), (19, 1116870), (30, 707351), (38, 558435), (57, 372290), (59, 359670), (95, 223374), (114, 186145), (118, 179835), (177, 119890), (190, 111687), (285, 74458), (295, 71934), (354, 59945), (570, 37229), (590, 35967), (631, 33630), (885, 23978), (1121, 18930), (1262, 16815), (1770, 11989), (1893, 11210), (2242, 9465), (3155, 6726), (3363, 6310), (3786, 5605)]