21459698

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 35825664

約数和(自身を除く): 14365966

約数列:

[1, 2, 13, 26, 67, 97, 127, 134, 194, 254, 871, 1261, 1651, 1742, 2522, 3302, 6499, 8509, 12319, 12998, 17018, 24638, 84487, 110617, 160147, 168974, 221234, 320294, 825373, 1650746, 10729849, 21459698]

約数ペア:

[(1, 21459698), (2, 10729849), (13, 1650746), (26, 825373), (67, 320294), (97, 221234), (127, 168974), (134, 160147), (194, 110617), (254, 84487), (871, 24638), (1261, 17018), (1651, 12998), (1742, 12319), (2522, 8509), (3302, 6499)]