21539882

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6229}}^1$

素因数の和:6270

約数の個数: 32

約数和(自身を含む): 41865600

約数和(自身を除く): 20325718

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 6229, 12458, 43603, 80977, 87206, 118351, 161954, 236702, 566839, 828457, 1133678, 1538563, 1656914, 3077126, 10769941, 21539882]

約数ペア:

[(1, 21539882), (2, 10769941), (7, 3077126), (13, 1656914), (14, 1538563), (19, 1133678), (26, 828457), (38, 566839), (91, 236702), (133, 161954), (182, 118351), (247, 87206), (266, 80977), (494, 43603), (1729, 12458), (3458, 6229)]