21478224

素因数分解:

$2^4\times 3^1\times {\mathrm{447463}}^1$

素因数の和:447474

約数の個数: 20

約数和(自身を含む): 55485536

約数和(自身を除く): 34007312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 447463, 894926, 1342389, 1789852, 2684778, 3579704, 5369556, 7159408, 10739112, 21478224]

約数ペア:

[(1, 21478224), (2, 10739112), (3, 7159408), (4, 5369556), (6, 3579704), (8, 2684778), (12, 1789852), (16, 1342389), (24, 894926), (48, 447463)]