21437546

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 36142848

約数和(自身を除く): 14705302

約数列:

[1, 2, 13, 26, 47, 53, 94, 106, 331, 611, 662, 689, 1222, 1378, 2491, 4303, 4982, 8606, 15557, 17543, 31114, 32383, 35086, 64766, 202241, 228059, 404482, 456118, 824521, 1649042, 10718773, 21437546]

約数ペア:

[(1, 21437546), (2, 10718773), (13, 1649042), (26, 824521), (47, 456118), (53, 404482), (94, 228059), (106, 202241), (331, 64766), (611, 35086), (662, 32383), (689, 31114), (1222, 17543), (1378, 15557), (2491, 8606), (4303, 4982)]