21965685

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4451}}^1$

素因数の和:4513

約数の個数: 32

約数和(自身を含む): 41029632

約数和(自身を除く): 19063947

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 705, 987, 1645, 4451, 4935, 13353, 22255, 31157, 66765, 93471, 155785, 209197, 467355, 627591, 1045985, 1464379, 3137955, 4393137, 7321895, 21965685]

約数ペア:

[(1, 21965685), (3, 7321895), (5, 4393137), (7, 3137955), (15, 1464379), (21, 1045985), (35, 627591), (47, 467355), (105, 209197), (141, 155785), (235, 93471), (329, 66765), (705, 31157), (987, 22255), (1645, 13353), (4451, 4935)]