21383968

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{35171}}^1$

素因数の和:35200

約数の個数: 24

約数和(自身を含む): 44316720

約数和(自身を除く): 22932752

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 35171, 70342, 140684, 281368, 562736, 668249, 1125472, 1336498, 2672996, 5345992, 10691984, 21383968]

約数ペア:

[(1, 21383968), (2, 10691984), (4, 5345992), (8, 2672996), (16, 1336498), (19, 1125472), (32, 668249), (38, 562736), (76, 281368), (152, 140684), (304, 70342), (608, 35171)]