21679944

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6317}}^1$

素因数の和:6350

約数の個数: 64

約数和(自身を含む): 63685440

約数和(自身を除く): 42005496

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 104, 132, 143, 156, 264, 286, 312, 429, 572, 858, 1144, 1716, 3432, 6317, 12634, 18951, 25268, 37902, 50536, 69487, 75804, 82121, 138974, 151608, 164242, 208461, 246363, 277948, 328484, 416922, 492726, 555896, 656968, 833844, 903331, 985452, 1667688, 1806662, 1970904, 2709993, 3613324, 5419986, 7226648, 10839972, 21679944]

約数ペア:

[(1, 21679944), (2, 10839972), (3, 7226648), (4, 5419986), (6, 3613324), (8, 2709993), (11, 1970904), (12, 1806662), (13, 1667688), (22, 985452), (24, 903331), (26, 833844), (33, 656968), (39, 555896), (44, 492726), (52, 416922), (66, 328484), (78, 277948), (88, 246363), (104, 208461), (132, 164242), (143, 151608), (156, 138974), (264, 82121), (286, 75804), (312, 69487), (429, 50536), (572, 37902), (858, 25268), (1144, 18951), (1716, 12634), (3432, 6317)]