21586344

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1609}}^1$

素因数の和:1674

約数の個数: 64

約数和(自身を含む): 59505600

約数和(自身を除く): 37919256

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 86, 104, 129, 156, 172, 258, 312, 344, 516, 559, 1032, 1118, 1609, 1677, 2236, 3218, 3354, 4472, 4827, 6436, 6708, 9654, 12872, 13416, 19308, 20917, 38616, 41834, 62751, 69187, 83668, 125502, 138374, 167336, 207561, 251004, 276748, 415122, 502008, 553496, 830244, 899431, 1660488, 1798862, 2698293, 3597724, 5396586, 7195448, 10793172, 21586344]

約数ペア:

[(1, 21586344), (2, 10793172), (3, 7195448), (4, 5396586), (6, 3597724), (8, 2698293), (12, 1798862), (13, 1660488), (24, 899431), (26, 830244), (39, 553496), (43, 502008), (52, 415122), (78, 276748), (86, 251004), (104, 207561), (129, 167336), (156, 138374), (172, 125502), (258, 83668), (312, 69187), (344, 62751), (516, 41834), (559, 38616), (1032, 20917), (1118, 19308), (1609, 13416), (1677, 12872), (2236, 9654), (3218, 6708), (3354, 6436), (4472, 4827)]