21003400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{9547}}^1$

素因数の和:9574

約数の個数: 48

約数和(自身を含む): 53277840

約数和(自身を除く): 32274440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 9547, 19094, 38188, 47735, 76376, 95470, 105017, 190940, 210034, 238675, 381880, 420068, 477350, 525085, 840136, 954700, 1050170, 1909400, 2100340, 2625425, 4200680, 5250850, 10501700, 21003400]

約数ペア:

[(1, 21003400), (2, 10501700), (4, 5250850), (5, 4200680), (8, 2625425), (10, 2100340), (11, 1909400), (20, 1050170), (22, 954700), (25, 840136), (40, 525085), (44, 477350), (50, 420068), (55, 381880), (88, 238675), (100, 210034), (110, 190940), (200, 105017), (220, 95470), (275, 76376), (440, 47735), (550, 38188), (1100, 19094), (2200, 9547)]