21225246

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{6397}}^1$

素因数の和:6488

約数の個数: 32

約数和(自身を含む): 49136640

約数和(自身を除く): 27911394

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 158, 237, 474, 553, 1106, 1659, 3318, 6397, 12794, 19191, 38382, 44779, 89558, 134337, 268674, 505363, 1010726, 1516089, 3032178, 3537541, 7075082, 10612623, 21225246]

約数ペア:

[(1, 21225246), (2, 10612623), (3, 7075082), (6, 3537541), (7, 3032178), (14, 1516089), (21, 1010726), (42, 505363), (79, 268674), (158, 134337), (237, 89558), (474, 44779), (553, 38382), (1106, 19191), (1659, 12794), (3318, 6397)]