21368698

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:550

約数の個数: 24

約数和(自身を含む): 34995456

約数和(自身を除く): 13626758

約数列:

[1, 2, 13, 26, 169, 191, 331, 338, 382, 662, 2483, 4303, 4966, 8606, 32279, 55939, 63221, 64558, 111878, 126442, 821873, 1643746, 10684349, 21368698]

約数ペア:

[(1, 21368698), (2, 10684349), (13, 1643746), (26, 821873), (169, 126442), (191, 111878), (331, 64558), (338, 63221), (382, 55939), (662, 32279), (2483, 8606), (4303, 4966)]