21859376

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1613}}^1$

素因数の和:1650

約数の個数: 60

約数和(自身を含む): 53236176

約数和(自身を除く): 31376800

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 121, 154, 176, 242, 308, 484, 616, 847, 968, 1232, 1613, 1694, 1936, 3226, 3388, 6452, 6776, 11291, 12904, 13552, 17743, 22582, 25808, 35486, 45164, 70972, 90328, 124201, 141944, 180656, 195173, 248402, 283888, 390346, 496804, 780692, 993608, 1366211, 1561384, 1987216, 2732422, 3122768, 5464844, 10929688, 21859376]

約数ペア:

[(1, 21859376), (2, 10929688), (4, 5464844), (7, 3122768), (8, 2732422), (11, 1987216), (14, 1561384), (16, 1366211), (22, 993608), (28, 780692), (44, 496804), (56, 390346), (77, 283888), (88, 248402), (112, 195173), (121, 180656), (154, 141944), (176, 124201), (242, 90328), (308, 70972), (484, 45164), (616, 35486), (847, 25808), (968, 22582), (1232, 17743), (1613, 13552), (1694, 12904), (1936, 11291), (3226, 6776), (3388, 6452)]