21000657601

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{135757}}^1$

素因数の和:135830

約数の個数: 32

約数和(自身を含む): 27368812800

約数和(自身を除く): 6368155199

約数列:

[1, 7, 11, 41, 49, 77, 287, 343, 451, 539, 2009, 3157, 3773, 14063, 22099, 135757, 154693, 950299, 1493327, 5566037, 6652093, 10453289, 38962259, 46564651, 61226407, 73173023, 272735813, 428584849, 512211161, 1909150691, 3000093943, 21000657601]

約数ペア:

[(1, 21000657601), (7, 3000093943), (11, 1909150691), (41, 512211161), (49, 428584849), (77, 272735813), (287, 73173023), (343, 61226407), (451, 46564651), (539, 38962259), (2009, 10453289), (3157, 6652093), (3773, 5566037), (14063, 1493327), (22099, 950299), (135757, 154693)]