21158448

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{8317}}^1$

素因数の和:8381

約数の個数: 40

約数和(自身を含む): 55697328

約数和(自身を除く): 34538880

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 212, 318, 424, 636, 848, 1272, 2544, 8317, 16634, 24951, 33268, 49902, 66536, 99804, 133072, 199608, 399216, 440801, 881602, 1322403, 1763204, 2644806, 3526408, 5289612, 7052816, 10579224, 21158448]

約数ペア:

[(1, 21158448), (2, 10579224), (3, 7052816), (4, 5289612), (6, 3526408), (8, 2644806), (12, 1763204), (16, 1322403), (24, 881602), (48, 440801), (53, 399216), (106, 199608), (159, 133072), (212, 99804), (318, 66536), (424, 49902), (636, 33268), (848, 24951), (1272, 16634), (2544, 8317)]