21564816

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4937}}^1$

素因数の和:4968

約数の個数: 80

約数和(自身を含む): 68578944

約数和(自身を除く): 47014128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 182, 208, 273, 312, 336, 364, 546, 624, 728, 1092, 1456, 2184, 4368, 4937, 9874, 14811, 19748, 29622, 34559, 39496, 59244, 64181, 69118, 78992, 103677, 118488, 128362, 138236, 192543, 207354, 236976, 256724, 276472, 385086, 414708, 449267, 513448, 552944, 770172, 829416, 898534, 1026896, 1347801, 1540344, 1658832, 1797068, 2695602, 3080688, 3594136, 5391204, 7188272, 10782408, 21564816]

約数ペア:

[(1, 21564816), (2, 10782408), (3, 7188272), (4, 5391204), (6, 3594136), (7, 3080688), (8, 2695602), (12, 1797068), (13, 1658832), (14, 1540344), (16, 1347801), (21, 1026896), (24, 898534), (26, 829416), (28, 770172), (39, 552944), (42, 513448), (48, 449267), (52, 414708), (56, 385086), (78, 276472), (84, 256724), (91, 236976), (104, 207354), (112, 192543), (156, 138236), (168, 128362), (182, 118488), (208, 103677), (273, 78992), (312, 69118), (336, 64181), (364, 59244), (546, 39496), (624, 34559), (728, 29622), (1092, 19748), (1456, 14811), (2184, 9874), (4368, 4937)]