21906444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{260791}}^1$

素因数の和:260805

約数の個数: 24

約数和(自身を含む): 58417408

約数和(自身を除く): 36510964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 260791, 521582, 782373, 1043164, 1564746, 1825537, 3129492, 3651074, 5476611, 7302148, 10953222, 21906444]

約数ペア:

[(1, 21906444), (2, 10953222), (3, 7302148), (4, 5476611), (6, 3651074), (7, 3129492), (12, 1825537), (14, 1564746), (21, 1043164), (28, 782373), (42, 521582), (84, 260791)]