2021990404

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1543}}^1\times {\mathrm{2753}}^1$

素因数の和:4324

約数の個数: 48

約数和(自身を含む): 4286193408

約数和(自身を除く): 2264203004

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 1543, 2753, 3086, 5506, 6172, 10801, 11012, 19271, 21602, 26231, 38542, 43204, 46801, 52462, 77084, 93602, 104924, 183617, 187204, 327607, 367234, 655214, 734468, 1310428, 4247879, 8495758, 16991516, 29735153, 59470306, 72213943, 118940612, 144427886, 288855772, 505497601, 1010995202, 2021990404]

約数ペア:

[(1, 2021990404), (2, 1010995202), (4, 505497601), (7, 288855772), (14, 144427886), (17, 118940612), (28, 72213943), (34, 59470306), (68, 29735153), (119, 16991516), (238, 8495758), (476, 4247879), (1543, 1310428), (2753, 734468), (3086, 655214), (5506, 367234), (6172, 327607), (10801, 187204), (11012, 183617), (19271, 104924), (21602, 93602), (26231, 77084), (38542, 52462), (43204, 46801)]