21245136

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{40237}}^1$

素因数の和:40259

約数の個数: 40

約数和(自身を含む): 59874144

約数和(自身を除く): 38629008

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528, 40237, 80474, 120711, 160948, 241422, 321896, 442607, 482844, 643792, 885214, 965688, 1327821, 1770428, 1931376, 2655642, 3540856, 5311284, 7081712, 10622568, 21245136]

約数ペア:

[(1, 21245136), (2, 10622568), (3, 7081712), (4, 5311284), (6, 3540856), (8, 2655642), (11, 1931376), (12, 1770428), (16, 1327821), (22, 965688), (24, 885214), (33, 643792), (44, 482844), (48, 442607), (66, 321896), (88, 241422), (132, 160948), (176, 120711), (264, 80474), (528, 40237)]