21714910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{563}}^1$

素因数の和:625

約数の個数: 64

約数和(自身を含む): 48729600

約数和(自身を除く): 27014690

約数列:

[1, 2, 5, 7, 10, 14, 19, 29, 35, 38, 58, 70, 95, 133, 145, 190, 203, 266, 290, 406, 551, 563, 665, 1015, 1102, 1126, 1330, 2030, 2755, 2815, 3857, 3941, 5510, 5630, 7714, 7882, 10697, 16327, 19285, 19705, 21394, 32654, 38570, 39410, 53485, 74879, 81635, 106970, 114289, 149758, 163270, 228578, 310213, 374395, 571445, 620426, 748790, 1142890, 1551065, 2171491, 3102130, 4342982, 10857455, 21714910]

約数ペア:

[(1, 21714910), (2, 10857455), (5, 4342982), (7, 3102130), (10, 2171491), (14, 1551065), (19, 1142890), (29, 748790), (35, 620426), (38, 571445), (58, 374395), (70, 310213), (95, 228578), (133, 163270), (145, 149758), (190, 114289), (203, 106970), (266, 81635), (290, 74879), (406, 53485), (551, 39410), (563, 38570), (665, 32654), (1015, 21394), (1102, 19705), (1126, 19285), (1330, 16327), (2030, 10697), (2755, 7882), (2815, 7714), (3857, 5630), (3941, 5510)]