21687968

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{35671}}^1$

素因数の和:35700

約数の個数: 24

約数和(自身を含む): 44946720

約数和(自身を除く): 23258752

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 35671, 71342, 142684, 285368, 570736, 677749, 1141472, 1355498, 2710996, 5421992, 10843984, 21687968]

約数ペア:

[(1, 21687968), (2, 10843984), (4, 5421992), (8, 2710996), (16, 1355498), (19, 1141472), (32, 677749), (38, 570736), (76, 285368), (152, 142684), (304, 71342), (608, 35671)]