21965130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2017}}^1$

素因数の和:2052

約数の個数: 72

約数和(自身を含む): 62804196

約数和(自身を除く): 40839066

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 121, 165, 198, 242, 330, 363, 495, 605, 726, 990, 1089, 1210, 1815, 2017, 2178, 3630, 4034, 5445, 6051, 10085, 10890, 12102, 18153, 20170, 22187, 30255, 36306, 44374, 60510, 66561, 90765, 110935, 133122, 181530, 199683, 221870, 244057, 332805, 399366, 488114, 665610, 732171, 998415, 1220285, 1464342, 1996830, 2196513, 2440570, 3660855, 4393026, 7321710, 10982565, 21965130]

約数ペア:

[(1, 21965130), (2, 10982565), (3, 7321710), (5, 4393026), (6, 3660855), (9, 2440570), (10, 2196513), (11, 1996830), (15, 1464342), (18, 1220285), (22, 998415), (30, 732171), (33, 665610), (45, 488114), (55, 399366), (66, 332805), (90, 244057), (99, 221870), (110, 199683), (121, 181530), (165, 133122), (198, 110935), (242, 90765), (330, 66561), (363, 60510), (495, 44374), (605, 36306), (726, 30255), (990, 22187), (1089, 20170), (1210, 18153), (1815, 12102), (2017, 10890), (2178, 10085), (3630, 6051), (4034, 5445)]