21855350636

素因数分解:

$2^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{827}}^1\times {\mathrm{1237}}^1$

素因数の和:2191

約数の個数: 72

約数和(自身を含む): 44990058960

約数和(自身を除く): 23134708324

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 109, 196, 218, 436, 763, 827, 1237, 1526, 1654, 2474, 3052, 3308, 4948, 5341, 5789, 8659, 10682, 11578, 17318, 21364, 23156, 34636, 40523, 60613, 81046, 90143, 121226, 134833, 162092, 180286, 242452, 269666, 360572, 539332, 631001, 943831, 1022999, 1262002, 1887662, 2045998, 2524004, 3775324, 4091996, 4417007, 6606817, 7160993, 8834014, 13213634, 14321986, 17668028, 26427268, 28643972, 50126951, 100253902, 111506891, 200507804, 223013782, 446027564, 780548237, 1561096474, 3122192948, 5463837659, 10927675318, 21855350636]

約数ペア:

[(1, 21855350636), (2, 10927675318), (4, 5463837659), (7, 3122192948), (14, 1561096474), (28, 780548237), (49, 446027564), (98, 223013782), (109, 200507804), (196, 111506891), (218, 100253902), (436, 50126951), (763, 28643972), (827, 26427268), (1237, 17668028), (1526, 14321986), (1654, 13213634), (2474, 8834014), (3052, 7160993), (3308, 6606817), (4948, 4417007), (5341, 4091996), (5789, 3775324), (8659, 2524004), (10682, 2045998), (11578, 1887662), (17318, 1262002), (21364, 1022999), (23156, 943831), (34636, 631001), (40523, 539332), (60613, 360572), (81046, 269666), (90143, 242452), (121226, 180286), (134833, 162092)]