21102136

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6481}}^1$

素因数の和:6535

約数の個数: 32

約数和(自身を含む): 44336880

約数和(自身を除く): 23234744

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 6481, 12962, 25924, 51848, 71291, 142582, 239797, 285164, 479594, 570328, 959188, 1918376, 2637767, 5275534, 10551068, 21102136]

約数ペア:

[(1, 21102136), (2, 10551068), (4, 5275534), (8, 2637767), (11, 1918376), (22, 959188), (37, 570328), (44, 479594), (74, 285164), (88, 239797), (148, 142582), (296, 71291), (407, 51848), (814, 25924), (1628, 12962), (3256, 6481)]