21166288

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^2$

素因数の和:101

約数の個数: 90

約数和(自身を含む): 50275862

約数和(自身を除く): 29109574

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 29, 44, 52, 58, 88, 104, 116, 121, 143, 176, 208, 232, 242, 286, 319, 377, 464, 484, 572, 638, 754, 841, 968, 1144, 1276, 1508, 1573, 1682, 1936, 2288, 2552, 3016, 3146, 3364, 3509, 4147, 5104, 6032, 6292, 6728, 7018, 8294, 9251, 10933, 12584, 13456, 14036, 16588, 18502, 21866, 25168, 28072, 33176, 37004, 43732, 45617, 56144, 66352, 74008, 87464, 91234, 101761, 120263, 148016, 174928, 182468, 203522, 240526, 364936, 407044, 481052, 729872, 814088, 962104, 1322893, 1628176, 1924208, 2645786, 5291572, 10583144, 21166288]

約数ペア:

[(1, 21166288), (2, 10583144), (4, 5291572), (8, 2645786), (11, 1924208), (13, 1628176), (16, 1322893), (22, 962104), (26, 814088), (29, 729872), (44, 481052), (52, 407044), (58, 364936), (88, 240526), (104, 203522), (116, 182468), (121, 174928), (143, 148016), (176, 120263), (208, 101761), (232, 91234), (242, 87464), (286, 74008), (319, 66352), (377, 56144), (464, 45617), (484, 43732), (572, 37004), (638, 33176), (754, 28072), (841, 25168), (968, 21866), (1144, 18502), (1276, 16588), (1508, 14036), (1573, 13456), (1682, 12584), (1936, 10933), (2288, 9251), (2552, 8294), (3016, 7018), (3146, 6728), (3364, 6292), (3509, 6032), (4147, 5104)]