21970050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{983}}^1$

素因数の和:1147

約数の個数: 48

約数和(自身を含む): 54907200

約数和(自身を除く): 32937150

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 149, 150, 298, 447, 745, 894, 983, 1490, 1966, 2235, 2949, 3725, 4470, 4915, 5898, 7450, 9830, 11175, 14745, 22350, 24575, 29490, 49150, 73725, 146467, 147450, 292934, 439401, 732335, 878802, 1464670, 2197005, 3661675, 4394010, 7323350, 10985025, 21970050]

約数ペア:

[(1, 21970050), (2, 10985025), (3, 7323350), (5, 4394010), (6, 3661675), (10, 2197005), (15, 1464670), (25, 878802), (30, 732335), (50, 439401), (75, 292934), (149, 147450), (150, 146467), (298, 73725), (447, 49150), (745, 29490), (894, 24575), (983, 22350), (1490, 14745), (1966, 11175), (2235, 9830), (2949, 7450), (3725, 5898), (4470, 4915)]