21666306

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{521}}^1$

素因数の和:794

約数の個数: 32

約数和(自身を含む): 45100800

約数和(自身を除く): 23434494

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 239, 478, 521, 717, 1042, 1434, 1563, 3126, 6931, 13862, 15109, 20793, 30218, 41586, 45327, 90654, 124519, 249038, 373557, 747114, 3611051, 7222102, 10833153, 21666306]

約数ペア:

[(1, 21666306), (2, 10833153), (3, 7222102), (6, 3611051), (29, 747114), (58, 373557), (87, 249038), (174, 124519), (239, 90654), (478, 45327), (521, 41586), (717, 30218), (1042, 20793), (1434, 15109), (1563, 13862), (3126, 6931)]