21242192

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{379}}^1$

素因数の和:531

約数の個数: 40

約数和(自身を含む): 42973440

約数和(自身を除く): 21731248

約数列:

[1, 2, 4, 8, 16, 31, 62, 113, 124, 226, 248, 379, 452, 496, 758, 904, 1516, 1808, 3032, 3503, 6064, 7006, 11749, 14012, 23498, 28024, 42827, 46996, 56048, 85654, 93992, 171308, 187984, 342616, 685232, 1327637, 2655274, 5310548, 10621096, 21242192]

約数ペア:

[(1, 21242192), (2, 10621096), (4, 5310548), (8, 2655274), (16, 1327637), (31, 685232), (62, 342616), (113, 187984), (124, 171308), (226, 93992), (248, 85654), (379, 56048), (452, 46996), (496, 42827), (758, 28024), (904, 23498), (1516, 14012), (1808, 11749), (3032, 7006), (3503, 6064)]