21533968

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{4657}}^1$

素因数の和:4699

約数の個数: 30

約数和(自身を含む): 44330186

約数和(自身を除く): 22796218

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 578, 1156, 2312, 4624, 4657, 9314, 18628, 37256, 74512, 79169, 158338, 316676, 633352, 1266704, 1345873, 2691746, 5383492, 10766984, 21533968]

約数ペア:

[(1, 21533968), (2, 10766984), (4, 5383492), (8, 2691746), (16, 1345873), (17, 1266704), (34, 633352), (68, 316676), (136, 158338), (272, 79169), (289, 74512), (578, 37256), (1156, 18628), (2312, 9314), (4624, 4657)]