21818751

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{1487}}^1$

素因数の和:1630

約数の個数: 16

約数和(自身を含む): 29950464

約数和(自身を除く): 8131713

約数列:

[1, 3, 67, 73, 201, 219, 1487, 4461, 4891, 14673, 99629, 108551, 298887, 325653, 7272917, 21818751]

約数ペア:

[(1, 21818751), (3, 7272917), (67, 325653), (73, 298887), (201, 108551), (219, 99629), (1487, 14673), (4461, 4891)]