21227344

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1559}}^1$

素因数の和:1627

約数の個数: 40

約数和(自身を含む): 44104320

約数和(自身を除く): 22876976

約数列:

[1, 2, 4, 8, 16, 23, 37, 46, 74, 92, 148, 184, 296, 368, 592, 851, 1559, 1702, 3118, 3404, 6236, 6808, 12472, 13616, 24944, 35857, 57683, 71714, 115366, 143428, 230732, 286856, 461464, 573712, 922928, 1326709, 2653418, 5306836, 10613672, 21227344]

約数ペア:

[(1, 21227344), (2, 10613672), (4, 5306836), (8, 2653418), (16, 1326709), (23, 922928), (37, 573712), (46, 461464), (74, 286856), (92, 230732), (148, 143428), (184, 115366), (296, 71714), (368, 57683), (592, 35857), (851, 24944), (1559, 13616), (1702, 12472), (3118, 6808), (3404, 6236)]