21611850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{11083}}^1$

素因数の和:11111

約数の個数: 48

約数和(自身を含む): 57725472

約数和(自身を除く): 36113622

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 11083, 22166, 33249, 55415, 66498, 110830, 144079, 166245, 277075, 288158, 332490, 432237, 554150, 720395, 831225, 864474, 1440790, 1662450, 2161185, 3601975, 4322370, 7203950, 10805925, 21611850]

約数ペア:

[(1, 21611850), (2, 10805925), (3, 7203950), (5, 4322370), (6, 3601975), (10, 2161185), (13, 1662450), (15, 1440790), (25, 864474), (26, 831225), (30, 720395), (39, 554150), (50, 432237), (65, 332490), (75, 288158), (78, 277075), (130, 166245), (150, 144079), (195, 110830), (325, 66498), (390, 55415), (650, 33249), (975, 22166), (1950, 11083)]