21150308

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{607}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 38406144

約数和(自身を除く): 17255836

約数列:

[1, 2, 4, 31, 62, 124, 281, 562, 607, 1124, 1214, 2428, 8711, 17422, 18817, 34844, 37634, 75268, 170567, 341134, 682268, 5287577, 10575154, 21150308]

約数ペア:

[(1, 21150308), (2, 10575154), (4, 5287577), (31, 682268), (62, 341134), (124, 170567), (281, 75268), (562, 37634), (607, 34844), (1124, 18817), (1214, 17422), (2428, 8711)]