21872348905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1259}}^1\times {\mathrm{8537}}^1$

素因数の和:9849

約数の個数: 32

約数和(自身を含む): 29433559680

約数和(自身を除く): 7561210775

約数列:

[1, 5, 11, 37, 55, 185, 407, 1259, 2035, 6295, 8537, 13849, 42685, 46583, 69245, 93907, 232915, 315869, 469535, 512413, 1579345, 2562065, 3474559, 10748083, 17372795, 53740415, 118228913, 397679071, 591144565, 1988395355, 4374469781, 21872348905]

約数ペア:

[(1, 21872348905), (5, 4374469781), (11, 1988395355), (37, 591144565), (55, 397679071), (185, 118228913), (407, 53740415), (1259, 17372795), (2035, 10748083), (6295, 3474559), (8537, 2562065), (13849, 1579345), (42685, 512413), (46583, 469535), (69245, 315869), (93907, 232915)]