21128744

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29023}}^1$

素因数の和:29049

約数の個数: 32

約数和(自身を含む): 48760320

約数和(自身を除く): 27631576

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 29023, 58046, 116092, 203161, 232184, 377299, 406322, 754598, 812644, 1509196, 1625288, 2641093, 3018392, 5282186, 10564372, 21128744]

約数ペア:

[(1, 21128744), (2, 10564372), (4, 5282186), (7, 3018392), (8, 2641093), (13, 1625288), (14, 1509196), (26, 812644), (28, 754598), (52, 406322), (56, 377299), (91, 232184), (104, 203161), (182, 116092), (364, 58046), (728, 29023)]