21118656

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{8461}}^1$

素因数の和:8489

約数の個数: 56

約数和(自身を含む): 60181744

約数和(自身を除く): 39063088

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 192, 208, 312, 416, 624, 832, 1248, 2496, 8461, 16922, 25383, 33844, 50766, 67688, 101532, 109993, 135376, 203064, 219986, 270752, 329979, 406128, 439972, 541504, 659958, 812256, 879944, 1319916, 1624512, 1759888, 2639832, 3519776, 5279664, 7039552, 10559328, 21118656]

約数ペア:

[(1, 21118656), (2, 10559328), (3, 7039552), (4, 5279664), (6, 3519776), (8, 2639832), (12, 1759888), (13, 1624512), (16, 1319916), (24, 879944), (26, 812256), (32, 659958), (39, 541504), (48, 439972), (52, 406128), (64, 329979), (78, 270752), (96, 219986), (104, 203064), (156, 135376), (192, 109993), (208, 101532), (312, 67688), (416, 50766), (624, 33844), (832, 25383), (1248, 16922), (2496, 8461)]