20212128

素因数分解:

$2^5\times 3^2\times {\mathrm{70181}}^1$

素因数の和:70197

約数の個数: 36

約数和(自身を含む): 57479058

約数和(自身を除く): 37266930

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 70181, 140362, 210543, 280724, 421086, 561448, 631629, 842172, 1122896, 1263258, 1684344, 2245792, 2526516, 3368688, 5053032, 6737376, 10106064, 20212128]

約数ペア:

[(1, 20212128), (2, 10106064), (3, 6737376), (4, 5053032), (6, 3368688), (8, 2526516), (9, 2245792), (12, 1684344), (16, 1263258), (18, 1122896), (24, 842172), (32, 631629), (36, 561448), (48, 421086), (72, 280724), (96, 210543), (144, 140362), (288, 70181)]