21031623355

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{41081}}^1$

素因数の和:41439

約数の個数: 32

約数和(自身を含む): 28218404160

約数和(自身を除く): 7186780805

約数列:

[1, 5, 17, 19, 85, 95, 317, 323, 1585, 1615, 5389, 6023, 26945, 30115, 41081, 102391, 205405, 511955, 698377, 780539, 3491885, 3902695, 13022677, 13269163, 65113385, 66345815, 221385509, 247430863, 1106927545, 1237154315, 4206324671, 21031623355]

約数ペア:

[(1, 21031623355), (5, 4206324671), (17, 1237154315), (19, 1106927545), (85, 247430863), (95, 221385509), (317, 66345815), (323, 65113385), (1585, 13269163), (1615, 13022677), (5389, 3902695), (6023, 3491885), (26945, 780539), (30115, 698377), (41081, 511955), (102391, 205405)]