21460804

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{9109}}^1$

素因数の和:9163

約数の個数: 24

約数和(自身を含む): 40812800

約数和(自身を除く): 19351996

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 9109, 18218, 36436, 173071, 282379, 346142, 564758, 692284, 1129516, 5365201, 10730402, 21460804]

約数ペア:

[(1, 21460804), (2, 10730402), (4, 5365201), (19, 1129516), (31, 692284), (38, 564758), (62, 346142), (76, 282379), (124, 173071), (589, 36436), (1178, 18218), (2356, 9109)]