21836536

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1543}}^1$

素因数の和:1639

約数の個数: 32

約数和(自身を含む): 43077600

約数和(自身を除く): 21241064

約数列:

[1, 2, 4, 8, 29, 58, 61, 116, 122, 232, 244, 488, 1543, 1769, 3086, 3538, 6172, 7076, 12344, 14152, 44747, 89494, 94123, 178988, 188246, 357976, 376492, 752984, 2729567, 5459134, 10918268, 21836536]

約数ペア:

[(1, 21836536), (2, 10918268), (4, 5459134), (8, 2729567), (29, 752984), (58, 376492), (61, 357976), (116, 188246), (122, 178988), (232, 94123), (244, 89494), (488, 44747), (1543, 14152), (1769, 12344), (3086, 7076), (3538, 6172)]