21684030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2083}}^1$

素因数の和:2440

約数の個数: 32

約数和(自身を含む): 52216704

約数和(自身を除く): 30532674

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 347, 694, 1041, 1735, 2082, 2083, 3470, 4166, 5205, 6249, 10410, 10415, 12498, 20830, 31245, 62490, 722801, 1445602, 2168403, 3614005, 4336806, 7228010, 10842015, 21684030]

約数ペア:

[(1, 21684030), (2, 10842015), (3, 7228010), (5, 4336806), (6, 3614005), (10, 2168403), (15, 1445602), (30, 722801), (347, 62490), (694, 31245), (1041, 20830), (1735, 12498), (2082, 10415), (2083, 10410), (3470, 6249), (4166, 5205)]