21840796

素因数分解:

$2^2\times {\mathrm{619}}^1\times {\mathrm{8821}}^1$

素因数の和:9444

約数の個数: 12

約数和(自身を含む): 38287480

約数和(自身を除く): 16446684

約数列:

[1, 2, 4, 619, 1238, 2476, 8821, 17642, 35284, 5460199, 10920398, 21840796]

約数ペア:

[(1, 21840796), (2, 10920398), (4, 5460199), (619, 35284), (1238, 17642), (2476, 8821)]