21006762

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{9437}}^1$

素因数の和:9502

約数の個数: 32

約数和(自身を含む): 48926592

約数和(自身を除く): 27919830

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 106, 159, 318, 371, 742, 1113, 2226, 9437, 18874, 28311, 56622, 66059, 132118, 198177, 396354, 500161, 1000322, 1500483, 3000966, 3501127, 7002254, 10503381, 21006762]

約数ペア:

[(1, 21006762), (2, 10503381), (3, 7002254), (6, 3501127), (7, 3000966), (14, 1500483), (21, 1000322), (42, 500161), (53, 396354), (106, 198177), (159, 132118), (318, 66059), (371, 56622), (742, 28311), (1113, 18874), (2226, 9437)]