21872490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1103}}^1$

素因数の和:1774

約数の個数: 32

約数和(自身を含む): 52621056

約数和(自身を除く): 30748566

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 661, 1103, 1322, 1983, 2206, 3305, 3309, 3966, 5515, 6610, 6618, 9915, 11030, 16545, 19830, 33090, 729083, 1458166, 2187249, 3645415, 4374498, 7290830, 10936245, 21872490]

約数ペア:

[(1, 21872490), (2, 10936245), (3, 7290830), (5, 4374498), (6, 3645415), (10, 2187249), (15, 1458166), (30, 729083), (661, 33090), (1103, 19830), (1322, 16545), (1983, 11030), (2206, 9915), (3305, 6618), (3309, 6610), (3966, 5515)]