21845790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{242731}}^1$

素因数の和:242744

約数の個数: 24

約数和(自身を含む): 56799288

約数和(自身を除く): 34953498

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 242731, 485462, 728193, 1213655, 1456386, 2184579, 2427310, 3640965, 4369158, 7281930, 10922895, 21845790]

約数ペア:

[(1, 21845790), (2, 10922895), (3, 7281930), (5, 4369158), (6, 3640965), (9, 2427310), (10, 2184579), (15, 1456386), (18, 1213655), (30, 728193), (45, 485462), (90, 242731)]