21459912

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{16871}}^1$

素因数の和:16933

約数の個数: 32

約数和(自身を含む): 54665280

約数和(自身を除く): 33205368

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 16871, 33742, 50613, 67484, 101226, 134968, 202452, 404904, 894163, 1788326, 2682489, 3576652, 5364978, 7153304, 10729956, 21459912]

約数ペア:

[(1, 21459912), (2, 10729956), (3, 7153304), (4, 5364978), (6, 3576652), (8, 2682489), (12, 1788326), (24, 894163), (53, 404904), (106, 202452), (159, 134968), (212, 101226), (318, 67484), (424, 50613), (636, 33742), (1272, 16871)]