21616830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1327}}^1$

素因数の和:1521

約数の個数: 48

約数和(自身を含む): 56556864

約数和(自身を除く): 34940034

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 181, 362, 543, 905, 1086, 1327, 1629, 1810, 2654, 2715, 3258, 3981, 5430, 6635, 7962, 8145, 11943, 13270, 16290, 19905, 23886, 39810, 59715, 119430, 240187, 480374, 720561, 1200935, 1441122, 2161683, 2401870, 3602805, 4323366, 7205610, 10808415, 21616830]

約数ペア:

[(1, 21616830), (2, 10808415), (3, 7205610), (5, 4323366), (6, 3602805), (9, 2401870), (10, 2161683), (15, 1441122), (18, 1200935), (30, 720561), (45, 480374), (90, 240187), (181, 119430), (362, 59715), (543, 39810), (905, 23886), (1086, 19905), (1327, 16290), (1629, 13270), (1810, 11943), (2654, 8145), (2715, 7962), (3258, 6635), (3981, 5430)]