21437010

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{4861}}^1$

素因数の和:4888

約数の個数: 72

約数和(自身を含む): 64849356

約数和(自身を除く): 43412346

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 4861, 9722, 14583, 24305, 29166, 34027, 43749, 48610, 68054, 72915, 87498, 102081, 145830, 170135, 204162, 218745, 238189, 306243, 340270, 437490, 476378, 510405, 612486, 714567, 1020810, 1190945, 1429134, 1531215, 2143701, 2381890, 3062430, 3572835, 4287402, 7145670, 10718505, 21437010]

約数ペア:

[(1, 21437010), (2, 10718505), (3, 7145670), (5, 4287402), (6, 3572835), (7, 3062430), (9, 2381890), (10, 2143701), (14, 1531215), (15, 1429134), (18, 1190945), (21, 1020810), (30, 714567), (35, 612486), (42, 510405), (45, 476378), (49, 437490), (63, 340270), (70, 306243), (90, 238189), (98, 218745), (105, 204162), (126, 170135), (147, 145830), (210, 102081), (245, 87498), (294, 72915), (315, 68054), (441, 48610), (490, 43749), (630, 34027), (735, 29166), (882, 24305), (1470, 14583), (2205, 9722), (4410, 4861)]