13218030

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{20981}}^1$

素因数の和:21001

約数の個数: 48

約数和(自身を含む): 39278304

約数和(自身を除く): 26060274

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 20981, 41962, 62943, 104905, 125886, 146867, 188829, 209810, 293734, 314715, 377658, 440601, 629430, 734335, 881202, 944145, 1321803, 1468670, 1888290, 2203005, 2643606, 4406010, 6609015, 13218030]

約数ペア:

[(1, 13218030), (2, 6609015), (3, 4406010), (5, 2643606), (6, 2203005), (7, 1888290), (9, 1468670), (10, 1321803), (14, 944145), (15, 881202), (18, 734335), (21, 629430), (30, 440601), (35, 377658), (42, 314715), (45, 293734), (63, 209810), (70, 188829), (90, 146867), (105, 125886), (126, 104905), (210, 62943), (315, 41962), (630, 20981)]