21234474

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:217

約数の個数: 80

約数和(自身を含む): 51226560

約数和(自身を除く): 29992086

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 41, 46, 54, 69, 81, 82, 123, 138, 139, 162, 207, 246, 278, 369, 414, 417, 621, 738, 834, 943, 1107, 1242, 1251, 1863, 1886, 2214, 2502, 2829, 3197, 3321, 3726, 3753, 5658, 5699, 6394, 6642, 7506, 8487, 9591, 11259, 11398, 16974, 17097, 19182, 22518, 25461, 28773, 34194, 50922, 51291, 57546, 76383, 86319, 102582, 131077, 152766, 153873, 172638, 258957, 262154, 307746, 393231, 461619, 517914, 786462, 923238, 1179693, 2359386, 3539079, 7078158, 10617237, 21234474]

約数ペア:

[(1, 21234474), (2, 10617237), (3, 7078158), (6, 3539079), (9, 2359386), (18, 1179693), (23, 923238), (27, 786462), (41, 517914), (46, 461619), (54, 393231), (69, 307746), (81, 262154), (82, 258957), (123, 172638), (138, 153873), (139, 152766), (162, 131077), (207, 102582), (246, 86319), (278, 76383), (369, 57546), (414, 51291), (417, 50922), (621, 34194), (738, 28773), (834, 25461), (943, 22518), (1107, 19182), (1242, 17097), (1251, 16974), (1863, 11398), (1886, 11259), (2214, 9591), (2502, 8487), (2829, 7506), (3197, 6642), (3321, 6394), (3726, 5699), (3753, 5658)]