21131446196

素因数分解:

$2^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{2034217}}^1$

素因数の和:2034288

約数の個数: 36

約数和(自身を含む): 43829261028

約数和(自身を除く): 22697814832

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 98, 106, 196, 212, 371, 742, 1484, 2597, 5194, 10388, 2034217, 4068434, 8136868, 14239519, 28479038, 56958076, 99676633, 107813501, 199353266, 215627002, 398706532, 431254004, 754694507, 1509389014, 3018778028, 5282861549, 10565723098, 21131446196]

約数ペア:

[(1, 21131446196), (2, 10565723098), (4, 5282861549), (7, 3018778028), (14, 1509389014), (28, 754694507), (49, 431254004), (53, 398706532), (98, 215627002), (106, 199353266), (196, 107813501), (212, 99676633), (371, 56958076), (742, 28479038), (1484, 14239519), (2597, 8136868), (5194, 4068434), (10388, 2034217)]