21435310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 44416512

約数和(自身を除く): 22981202

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 67, 107, 115, 130, 134, 214, 230, 299, 335, 535, 598, 670, 871, 1070, 1391, 1495, 1541, 1742, 2461, 2782, 2990, 3082, 4355, 4922, 6955, 7169, 7705, 8710, 12305, 13910, 14338, 15410, 20033, 24610, 31993, 35845, 40066, 63986, 71690, 93197, 100165, 159965, 164887, 186394, 200330, 319930, 329774, 465985, 824435, 931970, 1648870, 2143531, 4287062, 10717655, 21435310]

約数ペア:

[(1, 21435310), (2, 10717655), (5, 4287062), (10, 2143531), (13, 1648870), (23, 931970), (26, 824435), (46, 465985), (65, 329774), (67, 319930), (107, 200330), (115, 186394), (130, 164887), (134, 159965), (214, 100165), (230, 93197), (299, 71690), (335, 63986), (535, 40066), (598, 35845), (670, 31993), (871, 24610), (1070, 20033), (1391, 15410), (1495, 14338), (1541, 13910), (1742, 12305), (2461, 8710), (2782, 7705), (2990, 7169), (3082, 6955), (4355, 4922)]