21357083762

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1409}}^1\times {\mathrm{26407}}^1$

素因数の和:27866

約数の個数: 32

約数和(自身を含む): 37533162240

約数和(自身を除く): 16176078478

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 1409, 2818, 9863, 19726, 26407, 52814, 57769, 115538, 184849, 369698, 404383, 808766, 1082687, 2165374, 7578809, 15157618, 37207463, 74414926, 260452241, 520904482, 1525505983, 3051011966, 10678541881, 21357083762]

約数ペア:

[(1, 21357083762), (2, 10678541881), (7, 3051011966), (14, 1525505983), (41, 520904482), (82, 260452241), (287, 74414926), (574, 37207463), (1409, 15157618), (2818, 7578809), (9863, 2165374), (19726, 1082687), (26407, 808766), (52814, 404383), (57769, 369698), (115538, 184849)]