21958470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{907}}^1$

素因数の和:1189

約数の個数: 48

約数和(自身を含む): 57367440

約数和(自身を除く): 35408970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 269, 538, 807, 907, 1345, 1614, 1814, 2421, 2690, 2721, 4035, 4535, 4842, 5442, 8070, 8163, 9070, 12105, 13605, 16326, 24210, 27210, 40815, 81630, 243983, 487966, 731949, 1219915, 1463898, 2195847, 2439830, 3659745, 4391694, 7319490, 10979235, 21958470]

約数ペア:

[(1, 21958470), (2, 10979235), (3, 7319490), (5, 4391694), (6, 3659745), (9, 2439830), (10, 2195847), (15, 1463898), (18, 1219915), (30, 731949), (45, 487966), (90, 243983), (269, 81630), (538, 40815), (807, 27210), (907, 24210), (1345, 16326), (1614, 13605), (1814, 12105), (2421, 9070), (2690, 8163), (2721, 8070), (4035, 5442), (4535, 4842)]