21670688

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{461}}^1$

素因数の和:597

約数の個数: 48

約数和(自身を含む): 46453176

約数和(自身を除く): 24782488

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 113, 208, 226, 416, 452, 461, 904, 922, 1469, 1808, 1844, 2938, 3616, 3688, 5876, 5993, 7376, 11752, 11986, 14752, 23504, 23972, 47008, 47944, 52093, 95888, 104186, 191776, 208372, 416744, 677209, 833488, 1354418, 1666976, 2708836, 5417672, 10835344, 21670688]

約数ペア:

[(1, 21670688), (2, 10835344), (4, 5417672), (8, 2708836), (13, 1666976), (16, 1354418), (26, 833488), (32, 677209), (52, 416744), (104, 208372), (113, 191776), (208, 104186), (226, 95888), (416, 52093), (452, 47944), (461, 47008), (904, 23972), (922, 23504), (1469, 14752), (1808, 11986), (1844, 11752), (2938, 7376), (3616, 5993), (3688, 5876)]