21045346

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:426

約数の個数: 32

約数和(自身を含む): 37231488

約数和(自身を除く): 16186142

約数列:

[1, 2, 7, 14, 53, 106, 113, 226, 251, 371, 502, 742, 791, 1582, 1757, 3514, 5989, 11978, 13303, 26606, 28363, 41923, 56726, 83846, 93121, 186242, 198541, 397082, 1503239, 3006478, 10522673, 21045346]

約数ペア:

[(1, 21045346), (2, 10522673), (7, 3006478), (14, 1503239), (53, 397082), (106, 198541), (113, 186242), (226, 93121), (251, 83846), (371, 56726), (502, 41923), (742, 28363), (791, 26606), (1582, 13303), (1757, 11978), (3514, 5989)]