21843464

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1097}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 43480800

約数和(自身を除く): 21637336

約数列:

[1, 2, 4, 8, 19, 38, 76, 131, 152, 262, 524, 1048, 1097, 2194, 2489, 4388, 4978, 8776, 9956, 19912, 20843, 41686, 83372, 143707, 166744, 287414, 574828, 1149656, 2730433, 5460866, 10921732, 21843464]

約数ペア:

[(1, 21843464), (2, 10921732), (4, 5460866), (8, 2730433), (19, 1149656), (38, 574828), (76, 287414), (131, 166744), (152, 143707), (262, 83372), (524, 41686), (1048, 20843), (1097, 19912), (2194, 9956), (2489, 8776), (4388, 4978)]