21787011076

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1723}}^1\times {\mathrm{1787}}^1$

素因数の和:3604

約数の個数: 48

約数和(自身を含む): 40134306240

約数和(自身を除く): 18347295164

約数列:

[1, 2, 4, 29, 58, 61, 116, 122, 244, 1723, 1769, 1787, 3446, 3538, 3574, 6892, 7076, 7148, 49967, 51823, 99934, 103646, 105103, 109007, 199868, 207292, 210206, 218014, 420412, 436028, 3047987, 3079001, 3161203, 6095974, 6158002, 6322406, 12191948, 12316004, 12644812, 89291029, 178582058, 187819061, 357164116, 375638122, 751276244, 5446752769, 10893505538, 21787011076]

約数ペア:

[(1, 21787011076), (2, 10893505538), (4, 5446752769), (29, 751276244), (58, 375638122), (61, 357164116), (116, 187819061), (122, 178582058), (244, 89291029), (1723, 12644812), (1769, 12316004), (1787, 12191948), (3446, 6322406), (3538, 6158002), (3574, 6095974), (6892, 3161203), (7076, 3079001), (7148, 3047987), (49967, 436028), (51823, 420412), (99934, 218014), (103646, 210206), (105103, 207292), (109007, 199868)]