21746979105

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2751041}}^1$

素因数の和:2751097

約数の個数: 32

約数和(自身を含む): 38030404608

約数和(自身を除く): 16283425503

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 465, 527, 1581, 2635, 7905, 2751041, 8253123, 13755205, 41265615, 46767697, 85282271, 140303091, 233838485, 255846813, 426411355, 701515455, 1279234065, 1449798607, 4349395821, 7248993035, 21746979105]

約数ペア:

[(1, 21746979105), (3, 7248993035), (5, 4349395821), (15, 1449798607), (17, 1279234065), (31, 701515455), (51, 426411355), (85, 255846813), (93, 233838485), (155, 140303091), (255, 85282271), (465, 46767697), (527, 41265615), (1581, 13755205), (2635, 8253123), (7905, 2751041)]