21217770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33679}}^1$

素因数の和:33699

約数の個数: 48

約数和(自身を含む): 63048960

約数和(自身を除く): 41831190

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 33679, 67358, 101037, 168395, 202074, 235753, 303111, 336790, 471506, 505185, 606222, 707259, 1010370, 1178765, 1414518, 1515555, 2121777, 2357530, 3031110, 3536295, 4243554, 7072590, 10608885, 21217770]

約数ペア:

[(1, 21217770), (2, 10608885), (3, 7072590), (5, 4243554), (6, 3536295), (7, 3031110), (9, 2357530), (10, 2121777), (14, 1515555), (15, 1414518), (18, 1178765), (21, 1010370), (30, 707259), (35, 606222), (42, 505185), (45, 471506), (63, 336790), (70, 303111), (90, 235753), (105, 202074), (126, 168395), (210, 101037), (315, 67358), (630, 33679)]