21479430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3527}}^1$

素因数の和:3573

約数の個数: 64

約数和(自身を含む): 60963840

約数和(自身を除く): 39484410

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 58, 70, 87, 105, 145, 174, 203, 210, 290, 406, 435, 609, 870, 1015, 1218, 2030, 3045, 3527, 6090, 7054, 10581, 17635, 21162, 24689, 35270, 49378, 52905, 74067, 102283, 105810, 123445, 148134, 204566, 246890, 306849, 370335, 511415, 613698, 715981, 740670, 1022830, 1431962, 1534245, 2147943, 3068490, 3579905, 4295886, 7159810, 10739715, 21479430]

約数ペア:

[(1, 21479430), (2, 10739715), (3, 7159810), (5, 4295886), (6, 3579905), (7, 3068490), (10, 2147943), (14, 1534245), (15, 1431962), (21, 1022830), (29, 740670), (30, 715981), (35, 613698), (42, 511415), (58, 370335), (70, 306849), (87, 246890), (105, 204566), (145, 148134), (174, 123445), (203, 105810), (210, 102283), (290, 74067), (406, 52905), (435, 49378), (609, 35270), (870, 24689), (1015, 21162), (1218, 17635), (2030, 10581), (3045, 7054), (3527, 6090)]