21568170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1907}}^1$

素因数の和:1959

約数の個数: 64

約数和(自身を含む): 57697920

約数和(自身を除く): 36129750

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 39, 58, 65, 78, 87, 130, 145, 174, 195, 290, 377, 390, 435, 754, 870, 1131, 1885, 1907, 2262, 3770, 3814, 5655, 5721, 9535, 11310, 11442, 19070, 24791, 28605, 49582, 55303, 57210, 74373, 110606, 123955, 148746, 165909, 247910, 276515, 331818, 371865, 553030, 718939, 743730, 829545, 1437878, 1659090, 2156817, 3594695, 4313634, 7189390, 10784085, 21568170]

約数ペア:

[(1, 21568170), (2, 10784085), (3, 7189390), (5, 4313634), (6, 3594695), (10, 2156817), (13, 1659090), (15, 1437878), (26, 829545), (29, 743730), (30, 718939), (39, 553030), (58, 371865), (65, 331818), (78, 276515), (87, 247910), (130, 165909), (145, 148746), (174, 123955), (195, 110606), (290, 74373), (377, 57210), (390, 55303), (435, 49582), (754, 28605), (870, 24791), (1131, 19070), (1885, 11442), (1907, 11310), (2262, 9535), (3770, 5721), (3814, 5655)]