21840875

素因数分解:

$5^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 31574400

約数和(自身を除く): 9733525

約数列:

[1, 5, 7, 25, 35, 109, 125, 175, 229, 545, 763, 875, 1145, 1603, 2725, 3815, 5725, 8015, 13625, 19075, 24961, 28625, 40075, 95375, 124805, 174727, 200375, 624025, 873635, 3120125, 4368175, 21840875]

約数ペア:

[(1, 21840875), (5, 4368175), (7, 3120125), (25, 873635), (35, 624025), (109, 200375), (125, 174727), (175, 124805), (229, 95375), (545, 40075), (763, 28625), (875, 24961), (1145, 19075), (1603, 13625), (2725, 8015), (3815, 5725)]