21275144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{577}}^1$

素因数の和:1013

約数の個数: 32

約数和(自身を含む): 43696800

約数和(自身を除く): 22421656

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 419, 577, 838, 1154, 1676, 2308, 3352, 4609, 4616, 6347, 9218, 12694, 18436, 25388, 36872, 50776, 241763, 483526, 967052, 1934104, 2659393, 5318786, 10637572, 21275144]

約数ペア:

[(1, 21275144), (2, 10637572), (4, 5318786), (8, 2659393), (11, 1934104), (22, 967052), (44, 483526), (88, 241763), (419, 50776), (577, 36872), (838, 25388), (1154, 18436), (1676, 12694), (2308, 9218), (3352, 6347), (4609, 4616)]