21259110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11617}}^1$

素因数の和:11688

約数の個数: 32

約数和(自身を含む): 51862752

約数和(自身を除く): 30603642

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 11617, 23234, 34851, 58085, 69702, 116170, 174255, 348510, 708637, 1417274, 2125911, 3543185, 4251822, 7086370, 10629555, 21259110]

約数ペア:

[(1, 21259110), (2, 10629555), (3, 7086370), (5, 4251822), (6, 3543185), (10, 2125911), (15, 1417274), (30, 708637), (61, 348510), (122, 174255), (183, 116170), (305, 69702), (366, 58085), (610, 34851), (915, 23234), (1830, 11617)]