21260370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41687}}^1$

素因数の和:41714

約数の個数: 32

約数和(自身を含む): 54027648

約数和(自身を除く): 32767278

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 41687, 83374, 125061, 208435, 250122, 416870, 625305, 708679, 1250610, 1417358, 2126037, 3543395, 4252074, 7086790, 10630185, 21260370]

約数ペア:

[(1, 21260370), (2, 10630185), (3, 7086790), (5, 4252074), (6, 3543395), (10, 2126037), (15, 1417358), (17, 1250610), (30, 708679), (34, 625305), (51, 416870), (85, 250122), (102, 208435), (170, 125061), (255, 83374), (510, 41687)]