21461552

素因数分解:

$2^4\times 7^1\times {\mathrm{191621}}^1$

素因数の和:191636

約数の個数: 20

約数和(自身を含む): 47522256

約数和(自身を除く): 26060704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191621, 383242, 766484, 1341347, 1532968, 2682694, 3065936, 5365388, 10730776, 21461552]

約数ペア:

[(1, 21461552), (2, 10730776), (4, 5365388), (7, 3065936), (8, 2682694), (14, 1532968), (16, 1341347), (28, 766484), (56, 383242), (112, 191621)]