21497346

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 52093440

約数和(自身を除く): 30596094

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 113, 117, 226, 234, 271, 339, 351, 542, 678, 702, 813, 1017, 1469, 1626, 2034, 2439, 2938, 3051, 3523, 4407, 4878, 6102, 7046, 7317, 8814, 10569, 13221, 14634, 21138, 26442, 30623, 31707, 39663, 61246, 63414, 79326, 91869, 95121, 183738, 190242, 275607, 398099, 551214, 796198, 826821, 1194297, 1653642, 2388594, 3582891, 7165782, 10748673, 21497346]

約数ペア:

[(1, 21497346), (2, 10748673), (3, 7165782), (6, 3582891), (9, 2388594), (13, 1653642), (18, 1194297), (26, 826821), (27, 796198), (39, 551214), (54, 398099), (78, 275607), (113, 190242), (117, 183738), (226, 95121), (234, 91869), (271, 79326), (339, 63414), (351, 61246), (542, 39663), (678, 31707), (702, 30623), (813, 26442), (1017, 21138), (1469, 14634), (1626, 13221), (2034, 10569), (2439, 8814), (2938, 7317), (3051, 7046), (3523, 6102), (4407, 4878)]