21029460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{463}}^1\times {\mathrm{757}}^1$

素因数の和:1232

約数の個数: 48

約数和(自身を含む): 59087616

約数和(自身を除く): 38058156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 463, 757, 926, 1389, 1514, 1852, 2271, 2315, 2778, 3028, 3785, 4542, 4630, 5556, 6945, 7570, 9084, 9260, 11355, 13890, 15140, 22710, 27780, 45420, 350491, 700982, 1051473, 1401964, 1752455, 2102946, 3504910, 4205892, 5257365, 7009820, 10514730, 21029460]

約数ペア:

[(1, 21029460), (2, 10514730), (3, 7009820), (4, 5257365), (5, 4205892), (6, 3504910), (10, 2102946), (12, 1752455), (15, 1401964), (20, 1051473), (30, 700982), (60, 350491), (463, 45420), (757, 27780), (926, 22710), (1389, 15140), (1514, 13890), (1852, 11355), (2271, 9260), (2315, 9084), (2778, 7570), (3028, 6945), (3785, 5556), (4542, 4630)]