21032330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2693}}^1$

素因数の和:2782

約数の個数: 32

約数和(自身を含む): 41897088

約数和(自身を除く): 20864758

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 2693, 3905, 5386, 7810, 13465, 26930, 29623, 59246, 148115, 191203, 296230, 382406, 956015, 1912030, 2103233, 4206466, 10516165, 21032330]

約数ペア:

[(1, 21032330), (2, 10516165), (5, 4206466), (10, 2103233), (11, 1912030), (22, 956015), (55, 382406), (71, 296230), (110, 191203), (142, 148115), (355, 59246), (710, 29623), (781, 26930), (1562, 13465), (2693, 7810), (3905, 5386)]