21868088

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:117

約数の個数: 96

約数和(自身を含む): 50274000

約数和(自身を除く): 28405912

約数列:

[1, 2, 4, 8, 11, 19, 22, 29, 38, 41, 44, 58, 76, 82, 88, 116, 121, 152, 164, 209, 232, 242, 319, 328, 418, 451, 484, 551, 638, 779, 836, 902, 968, 1102, 1189, 1276, 1558, 1672, 1804, 2204, 2299, 2378, 2552, 3116, 3509, 3608, 4408, 4598, 4756, 4961, 6061, 6232, 7018, 8569, 9196, 9512, 9922, 12122, 13079, 14036, 17138, 18392, 19844, 22591, 24244, 26158, 28072, 34276, 39688, 45182, 48488, 52316, 66671, 68552, 90364, 94259, 104632, 133342, 143869, 180728, 188518, 248501, 266684, 287738, 377036, 497002, 533368, 575476, 754072, 994004, 1150952, 1988008, 2733511, 5467022, 10934044, 21868088]

約数ペア:

[(1, 21868088), (2, 10934044), (4, 5467022), (8, 2733511), (11, 1988008), (19, 1150952), (22, 994004), (29, 754072), (38, 575476), (41, 533368), (44, 497002), (58, 377036), (76, 287738), (82, 266684), (88, 248501), (116, 188518), (121, 180728), (152, 143869), (164, 133342), (209, 104632), (232, 94259), (242, 90364), (319, 68552), (328, 66671), (418, 52316), (451, 48488), (484, 45182), (551, 39688), (638, 34276), (779, 28072), (836, 26158), (902, 24244), (968, 22591), (1102, 19844), (1189, 18392), (1276, 17138), (1558, 14036), (1672, 13079), (1804, 12122), (2204, 9922), (2299, 9512), (2378, 9196), (2552, 8569), (3116, 7018), (3509, 6232), (3608, 6061), (4408, 4961), (4598, 4756)]