21398992992

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{1905181}}^1$

素因数の和:1905213

約数の個数: 96

約数和(自身を含む): 67214820960

約数和(自身を除く): 45815827968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 96, 104, 108, 117, 144, 156, 208, 216, 234, 288, 312, 351, 416, 432, 468, 624, 702, 864, 936, 1248, 1404, 1872, 2808, 3744, 5616, 11232, 1905181, 3810362, 5715543, 7620724, 11431086, 15241448, 17146629, 22862172, 24767353, 30482896, 34293258, 45724344, 49534706, 51439887, 60965792, 68586516, 74302059, 91448688, 99069412, 102879774, 137173032, 148604118, 182897376, 198138824, 205759548, 222906177, 274346064, 297208236, 396277648, 411519096, 445812354, 548692128, 594416472, 668718531, 792555296, 823038192, 891624708, 1188832944, 1337437062, 1646076384, 1783249416, 2377665888, 2674874124, 3566498832, 5349748248, 7132997664, 10699496496, 21398992992]

約数ペア:

[(1, 21398992992), (2, 10699496496), (3, 7132997664), (4, 5349748248), (6, 3566498832), (8, 2674874124), (9, 2377665888), (12, 1783249416), (13, 1646076384), (16, 1337437062), (18, 1188832944), (24, 891624708), (26, 823038192), (27, 792555296), (32, 668718531), (36, 594416472), (39, 548692128), (48, 445812354), (52, 411519096), (54, 396277648), (72, 297208236), (78, 274346064), (96, 222906177), (104, 205759548), (108, 198138824), (117, 182897376), (144, 148604118), (156, 137173032), (208, 102879774), (216, 99069412), (234, 91448688), (288, 74302059), (312, 68586516), (351, 60965792), (416, 51439887), (432, 49534706), (468, 45724344), (624, 34293258), (702, 30482896), (864, 24767353), (936, 22862172), (1248, 17146629), (1404, 15241448), (1872, 11431086), (2808, 7620724), (3744, 5715543), (5616, 3810362), (11232, 1905181)]