21185996830

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1\times {\mathrm{4801}}^1$

素因数の和:5125

約数の個数: 64

約数和(自身を含む): 40078644480

約数和(自身を除く): 18892647650

約数列:

[1, 2, 5, 10, 41, 47, 82, 94, 205, 229, 235, 410, 458, 470, 1145, 1927, 2290, 3854, 4801, 9389, 9602, 9635, 10763, 18778, 19270, 21526, 24005, 46945, 48010, 53815, 93890, 107630, 196841, 225647, 393682, 441283, 451294, 882566, 984205, 1099429, 1128235, 1968410, 2198858, 2206415, 2256470, 4412830, 5497145, 9251527, 10994290, 18503054, 45076589, 46257635, 51673163, 90153178, 92515270, 103346326, 225382945, 258365815, 450765890, 516731630, 2118599683, 4237199366, 10592998415, 21185996830]

約数ペア:

[(1, 21185996830), (2, 10592998415), (5, 4237199366), (10, 2118599683), (41, 516731630), (47, 450765890), (82, 258365815), (94, 225382945), (205, 103346326), (229, 92515270), (235, 90153178), (410, 51673163), (458, 46257635), (470, 45076589), (1145, 18503054), (1927, 10994290), (2290, 9251527), (3854, 5497145), (4801, 4412830), (9389, 2256470), (9602, 2206415), (9635, 2198858), (10763, 1968410), (18778, 1128235), (19270, 1099429), (21526, 984205), (24005, 882566), (46945, 451294), (48010, 441283), (53815, 393682), (93890, 225647), (107630, 196841)]