21459696

素因数分解:

$2^4\times 3^1\times {\mathrm{647}}^1\times {\mathrm{691}}^1$

素因数の和:1349

約数の個数: 40

約数和(自身を含む): 55603584

約数和(自身を除く): 34143888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 647, 691, 1294, 1382, 1941, 2073, 2588, 2764, 3882, 4146, 5176, 5528, 7764, 8292, 10352, 11056, 15528, 16584, 31056, 33168, 447077, 894154, 1341231, 1788308, 2682462, 3576616, 5364924, 7153232, 10729848, 21459696]

約数ペア:

[(1, 21459696), (2, 10729848), (3, 7153232), (4, 5364924), (6, 3576616), (8, 2682462), (12, 1788308), (16, 1341231), (24, 894154), (48, 447077), (647, 33168), (691, 31056), (1294, 16584), (1382, 15528), (1941, 11056), (2073, 10352), (2588, 8292), (2764, 7764), (3882, 5528), (4146, 5176)]