21142324

素因数分解:

$2^2\times 7^2\times {\mathrm{269}}^1\times {\mathrm{401}}^1$

素因数の和:688

約数の個数: 36

約数和(自身を含む): 43307460

約数和(自身を除く): 22165136

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 269, 401, 538, 802, 1076, 1604, 1883, 2807, 3766, 5614, 7532, 11228, 13181, 19649, 26362, 39298, 52724, 78596, 107869, 215738, 431476, 755083, 1510166, 3020332, 5285581, 10571162, 21142324]

約数ペア:

[(1, 21142324), (2, 10571162), (4, 5285581), (7, 3020332), (14, 1510166), (28, 755083), (49, 431476), (98, 215738), (196, 107869), (269, 78596), (401, 52724), (538, 39298), (802, 26362), (1076, 19649), (1604, 13181), (1883, 11228), (2807, 7532), (3766, 5614)]