21821644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13537}}^1$

素因数の和:13585

約数の個数: 24

約数和(自身を含む): 42455168

約数和(自身を除く): 20633524

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 13537, 27074, 54148, 175981, 351962, 419647, 703924, 839294, 1678588, 5455411, 10910822, 21821644]

約数ペア:

[(1, 21821644), (2, 10910822), (4, 5455411), (13, 1678588), (26, 839294), (31, 703924), (52, 419647), (62, 351962), (124, 175981), (403, 54148), (806, 27074), (1612, 13537)]