21313422480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12686561}}^1$

素因数の和:12686584

約数の個数: 80

約数和(自身を含む): 75510417024

約数和(自身を除く): 54196994544

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 12686561, 25373122, 38059683, 50746244, 63432805, 76119366, 88805927, 101492488, 126865610, 152238732, 177611854, 190298415, 202984976, 253731220, 266417781, 304477464, 355223708, 380596830, 444029635, 507462440, 532835562, 608954928, 710447416, 761193660, 888059270, 1014924880, 1065671124, 1332088905, 1420894832, 1522387320, 1776118540, 2131342248, 2664177810, 3044774640, 3552237080, 4262684496, 5328355620, 7104474160, 10656711240, 21313422480]

約数ペア:

[(1, 21313422480), (2, 10656711240), (3, 7104474160), (4, 5328355620), (5, 4262684496), (6, 3552237080), (7, 3044774640), (8, 2664177810), (10, 2131342248), (12, 1776118540), (14, 1522387320), (15, 1420894832), (16, 1332088905), (20, 1065671124), (21, 1014924880), (24, 888059270), (28, 761193660), (30, 710447416), (35, 608954928), (40, 532835562), (42, 507462440), (48, 444029635), (56, 380596830), (60, 355223708), (70, 304477464), (80, 266417781), (84, 253731220), (105, 202984976), (112, 190298415), (120, 177611854), (140, 152238732), (168, 126865610), (210, 101492488), (240, 88805927), (280, 76119366), (336, 63432805), (420, 50746244), (560, 38059683), (840, 25373122), (1680, 12686561)]