21307616

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{5503}}^1$

素因数の和:5535

約数の個数: 36

約数和(自身を含む): 46118016

約数和(自身を除く): 24810400

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 484, 968, 1936, 3872, 5503, 11006, 22012, 44024, 60533, 88048, 121066, 176096, 242132, 484264, 665863, 968528, 1331726, 1937056, 2663452, 5326904, 10653808, 21307616]

約数ペア:

[(1, 21307616), (2, 10653808), (4, 5326904), (8, 2663452), (11, 1937056), (16, 1331726), (22, 968528), (32, 665863), (44, 484264), (88, 242132), (121, 176096), (176, 121066), (242, 88048), (352, 60533), (484, 44024), (968, 22012), (1936, 11006), (3872, 5503)]