21102530

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{761}}^1$

素因数の和:874

約数の個数: 32

約数和(自身を含む): 39502080

約数和(自身を除く): 18399550

約数列:

[1, 2, 5, 10, 47, 59, 94, 118, 235, 295, 470, 590, 761, 1522, 2773, 3805, 5546, 7610, 13865, 27730, 35767, 44899, 71534, 89798, 178835, 224495, 357670, 448990, 2110253, 4220506, 10551265, 21102530]

約数ペア:

[(1, 21102530), (2, 10551265), (5, 4220506), (10, 2110253), (47, 448990), (59, 357670), (94, 224495), (118, 178835), (235, 89798), (295, 71534), (470, 44899), (590, 35767), (761, 27730), (1522, 13865), (2773, 7610), (3805, 5546)]