21271206496

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{146383}}^1$

素因数の和:146651

約数の個数: 48

約数和(自身を含む): 44266521600

約数和(自身を除く): 22995315104

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 239, 304, 478, 608, 956, 1912, 3824, 4541, 7648, 9082, 18164, 36328, 72656, 145312, 146383, 292766, 585532, 1171064, 2342128, 2781277, 4684256, 5562554, 11125108, 22250216, 34985537, 44500432, 69971074, 89000864, 139942148, 279884296, 559768592, 664725203, 1119537184, 1329450406, 2658900812, 5317801624, 10635603248, 21271206496]

約数ペア:

[(1, 21271206496), (2, 10635603248), (4, 5317801624), (8, 2658900812), (16, 1329450406), (19, 1119537184), (32, 664725203), (38, 559768592), (76, 279884296), (152, 139942148), (239, 89000864), (304, 69971074), (478, 44500432), (608, 34985537), (956, 22250216), (1912, 11125108), (3824, 5562554), (4541, 4684256), (7648, 2781277), (9082, 2342128), (18164, 1171064), (36328, 585532), (72656, 292766), (145312, 146383)]