21494988

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{14563}}^1$

素因数の和:14614

約数の個数: 36

約数和(自身を含む): 55663608

約数和(自身を除く): 34168620

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 738, 1476, 14563, 29126, 43689, 58252, 87378, 131067, 174756, 262134, 524268, 597083, 1194166, 1791249, 2388332, 3582498, 5373747, 7164996, 10747494, 21494988]

約数ペア:

[(1, 21494988), (2, 10747494), (3, 7164996), (4, 5373747), (6, 3582498), (9, 2388332), (12, 1791249), (18, 1194166), (36, 597083), (41, 524268), (82, 262134), (123, 174756), (164, 131067), (246, 87378), (369, 58252), (492, 43689), (738, 29126), (1476, 14563)]