21866370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1399}}^1$

素因数の和:1930

約数の個数: 32

約数和(自身を含む): 52617600

約数和(自身を除く): 30751230

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 521, 1042, 1399, 1563, 2605, 2798, 3126, 4197, 5210, 6995, 7815, 8394, 13990, 15630, 20985, 41970, 728879, 1457758, 2186637, 3644395, 4373274, 7288790, 10933185, 21866370]

約数ペア:

[(1, 21866370), (2, 10933185), (3, 7288790), (5, 4373274), (6, 3644395), (10, 2186637), (15, 1457758), (30, 728879), (521, 41970), (1042, 20985), (1399, 15630), (1563, 13990), (2605, 8394), (2798, 7815), (3126, 6995), (4197, 5210)]