21307962

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6353}}^1$

素因数の和:6414

約数の個数: 32

約数和(自身を含む): 46968768

約数和(自身を除く): 25660806

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 6353, 12706, 19059, 38118, 82589, 165178, 247767, 273179, 495534, 546358, 819537, 1639074, 3551327, 7102654, 10653981, 21307962]

約数ペア:

[(1, 21307962), (2, 10653981), (3, 7102654), (6, 3551327), (13, 1639074), (26, 819537), (39, 546358), (43, 495534), (78, 273179), (86, 247767), (129, 165178), (258, 82589), (559, 38118), (1118, 19059), (1677, 12706), (3354, 6353)]