21352590

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33893}}^1$

素因数の和:33913

約数の個数: 48

約数和(自身を含む): 63449568

約数和(自身を除く): 42096978

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, 33893, 67786, 101679, 169465, 203358, 237251, 305037, 338930, 474502, 508395, 610074, 711753, 1016790, 1186255, 1423506, 1525185, 2135259, 2372510, 3050370, 3558765, 4270518, 7117530, 10676295, 21352590]

約数ペア:

[(1, 21352590), (2, 10676295), (3, 7117530), (5, 4270518), (6, 3558765), (7, 3050370), (9, 2372510), (10, 2135259), (14, 1525185), (15, 1423506), (18, 1186255), (21, 1016790), (30, 711753), (35, 610074), (42, 508395), (45, 474502), (63, 338930), (70, 305037), (90, 237251), (105, 203358), (126, 169465), (210, 101679), (315, 67786), (630, 33893)]