21588808

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{863}}^1$

素因数の和:981

約数の個数: 32

約数和(自身を含む): 41990400

約数和(自身を除く): 20401592

約数列:

[1, 2, 4, 8, 53, 59, 106, 118, 212, 236, 424, 472, 863, 1726, 3127, 3452, 6254, 6904, 12508, 25016, 45739, 50917, 91478, 101834, 182956, 203668, 365912, 407336, 2698601, 5397202, 10794404, 21588808]

約数ペア:

[(1, 21588808), (2, 10794404), (4, 5397202), (8, 2698601), (53, 407336), (59, 365912), (106, 203668), (118, 182956), (212, 101834), (236, 91478), (424, 50917), (472, 45739), (863, 25016), (1726, 12508), (3127, 6904), (3452, 6254)]