21704220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{40193}}^1$

素因数の和:40211

約数の個数: 48

約数和(自身を含む): 67525920

約数和(自身を除く): 45821700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 40193, 80386, 120579, 160772, 200965, 241158, 361737, 401930, 482316, 602895, 723474, 803860, 1085211, 1205790, 1446948, 1808685, 2170422, 2411580, 3617370, 4340844, 5426055, 7234740, 10852110, 21704220]

約数ペア:

[(1, 21704220), (2, 10852110), (3, 7234740), (4, 5426055), (5, 4340844), (6, 3617370), (9, 2411580), (10, 2170422), (12, 1808685), (15, 1446948), (18, 1205790), (20, 1085211), (27, 803860), (30, 723474), (36, 602895), (45, 482316), (54, 401930), (60, 361737), (90, 241158), (108, 200965), (135, 160772), (180, 120579), (270, 80386), (540, 40193)]