21876296

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11071}}^1$

素因数の和:11109

約数の個数: 32

約数和(自身を含む): 46502400

約数和(自身を除く): 24626104

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 11071, 22142, 44284, 88568, 143923, 210349, 287846, 420698, 575692, 841396, 1151384, 1682792, 2734537, 5469074, 10938148, 21876296]

約数ペア:

[(1, 21876296), (2, 10938148), (4, 5469074), (8, 2734537), (13, 1682792), (19, 1151384), (26, 841396), (38, 575692), (52, 420698), (76, 287846), (104, 210349), (152, 143923), (247, 88568), (494, 44284), (988, 22142), (1976, 11071)]