21604164

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{25357}}^1$

素因数の和:25435

約数の個数: 24

約数和(自身を含む): 51121728

約数和(自身を除く): 29517564

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 25357, 50714, 76071, 101428, 152142, 304284, 1800347, 3600694, 5401041, 7201388, 10802082, 21604164]

約数ペア:

[(1, 21604164), (2, 10802082), (3, 7201388), (4, 5401041), (6, 3600694), (12, 1800347), (71, 304284), (142, 152142), (213, 101428), (284, 76071), (426, 50714), (852, 25357)]