21000422685

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6907}}^1\times {\mathrm{18427}}^1$

素因数の和:25353

約数の個数: 32

約数和(自身を含む): 36662579712

約数和(自身を除く): 15662157027

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 6907, 18427, 20721, 34535, 55281, 75977, 92135, 103605, 202697, 227931, 276405, 379885, 608091, 1013485, 1139655, 3040455, 127275289, 381825867, 636376445, 1400028179, 1909129335, 4200084537, 7000140895, 21000422685]

約数ペア:

[(1, 21000422685), (3, 7000140895), (5, 4200084537), (11, 1909129335), (15, 1400028179), (33, 636376445), (55, 381825867), (165, 127275289), (6907, 3040455), (18427, 1139655), (20721, 1013485), (34535, 608091), (55281, 379885), (75977, 276405), (92135, 227931), (103605, 202697)]