21148578

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:200

約数の個数: 96

約数和(自身を含む): 54317952

約数和(自身を除く): 33169374

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 33, 34, 51, 61, 66, 99, 102, 103, 122, 153, 183, 187, 198, 206, 306, 309, 366, 374, 549, 561, 618, 671, 927, 1037, 1098, 1122, 1133, 1342, 1683, 1751, 1854, 2013, 2074, 2266, 3111, 3366, 3399, 3502, 4026, 5253, 6039, 6222, 6283, 6798, 9333, 10197, 10506, 11407, 12078, 12566, 15759, 18666, 18849, 19261, 20394, 22814, 31518, 34221, 37698, 38522, 56547, 57783, 68442, 69113, 102663, 106811, 113094, 115566, 138226, 173349, 205326, 207339, 213622, 320433, 346698, 414678, 622017, 640866, 961299, 1174921, 1244034, 1922598, 2349842, 3524763, 7049526, 10574289, 21148578]

約数ペア:

[(1, 21148578), (2, 10574289), (3, 7049526), (6, 3524763), (9, 2349842), (11, 1922598), (17, 1244034), (18, 1174921), (22, 961299), (33, 640866), (34, 622017), (51, 414678), (61, 346698), (66, 320433), (99, 213622), (102, 207339), (103, 205326), (122, 173349), (153, 138226), (183, 115566), (187, 113094), (198, 106811), (206, 102663), (306, 69113), (309, 68442), (366, 57783), (374, 56547), (549, 38522), (561, 37698), (618, 34221), (671, 31518), (927, 22814), (1037, 20394), (1098, 19261), (1122, 18849), (1133, 18666), (1342, 15759), (1683, 12566), (1751, 12078), (1854, 11407), (2013, 10506), (2074, 10197), (2266, 9333), (3111, 6798), (3366, 6283), (3399, 6222), (3502, 6039), (4026, 5253)]