21185370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8117}}^1$

素因数の和:8159

約数の個数: 48

約数和(自身を含む): 56988360

約数和(自身を除く): 35802990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 8117, 16234, 24351, 40585, 48702, 73053, 81170, 121755, 146106, 235393, 243510, 365265, 470786, 706179, 730530, 1176965, 1412358, 2118537, 2353930, 3530895, 4237074, 7061790, 10592685, 21185370]

約数ペア:

[(1, 21185370), (2, 10592685), (3, 7061790), (5, 4237074), (6, 3530895), (9, 2353930), (10, 2118537), (15, 1412358), (18, 1176965), (29, 730530), (30, 706179), (45, 470786), (58, 365265), (87, 243510), (90, 235393), (145, 146106), (174, 121755), (261, 81170), (290, 73053), (435, 48702), (522, 40585), (870, 24351), (1305, 16234), (2610, 8117)]