21998656

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:339

約数の個数: 56

約数和(自身を含む): 46736000

約数和(自身を除く): 24737344

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 79, 152, 158, 229, 304, 316, 458, 608, 632, 916, 1216, 1264, 1501, 1832, 2528, 3002, 3664, 4351, 5056, 6004, 7328, 8702, 12008, 14656, 17404, 18091, 24016, 34808, 36182, 48032, 69616, 72364, 96064, 139232, 144728, 278464, 289456, 343729, 578912, 687458, 1157824, 1374916, 2749832, 5499664, 10999328, 21998656]

約数ペア:

[(1, 21998656), (2, 10999328), (4, 5499664), (8, 2749832), (16, 1374916), (19, 1157824), (32, 687458), (38, 578912), (64, 343729), (76, 289456), (79, 278464), (152, 144728), (158, 139232), (229, 96064), (304, 72364), (316, 69616), (458, 48032), (608, 36182), (632, 34808), (916, 24016), (1216, 18091), (1264, 17404), (1501, 14656), (1832, 12008), (2528, 8702), (3002, 7328), (3664, 6004), (4351, 5056)]