21262553570

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{6997}}^1$

素因数の和:7275

約数の個数: 64

約数和(自身を含む): 40437467136

約数和(自身を除く): 19174913566

約数列:

[1, 2, 5, 10, 37, 43, 74, 86, 185, 191, 215, 370, 382, 430, 955, 1591, 1910, 3182, 6997, 7067, 7955, 8213, 13994, 14134, 15910, 16426, 34985, 35335, 41065, 69970, 70670, 82130, 258889, 300871, 303881, 517778, 601742, 607762, 1294445, 1336427, 1504355, 1519405, 2588890, 2672854, 3008710, 3038810, 6682135, 11132227, 13364270, 22264454, 49447799, 55661135, 57466361, 98895598, 111322270, 114932722, 247238995, 287331805, 494477990, 574663610, 2126255357, 4252510714, 10631276785, 21262553570]

約数ペア:

[(1, 21262553570), (2, 10631276785), (5, 4252510714), (10, 2126255357), (37, 574663610), (43, 494477990), (74, 287331805), (86, 247238995), (185, 114932722), (191, 111322270), (215, 98895598), (370, 57466361), (382, 55661135), (430, 49447799), (955, 22264454), (1591, 13364270), (1910, 11132227), (3182, 6682135), (6997, 3038810), (7067, 3008710), (7955, 2672854), (8213, 2588890), (13994, 1519405), (14134, 1504355), (15910, 1336427), (16426, 1294445), (34985, 607762), (35335, 601742), (41065, 517778), (69970, 303881), (70670, 300871), (82130, 258889)]