21714756

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{269}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 60056640

約数和(自身を除く): 38341884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 269, 372, 434, 538, 651, 807, 868, 961, 1076, 1302, 1614, 1883, 1922, 2604, 2883, 3228, 3766, 3844, 5649, 5766, 6727, 7532, 8339, 11298, 11532, 13454, 16678, 20181, 22596, 25017, 26908, 33356, 40362, 50034, 58373, 80724, 100068, 116746, 175119, 233492, 258509, 350238, 517018, 700476, 775527, 1034036, 1551054, 1809563, 3102108, 3619126, 5428689, 7238252, 10857378, 21714756]

約数ペア:

[(1, 21714756), (2, 10857378), (3, 7238252), (4, 5428689), (6, 3619126), (7, 3102108), (12, 1809563), (14, 1551054), (21, 1034036), (28, 775527), (31, 700476), (42, 517018), (62, 350238), (84, 258509), (93, 233492), (124, 175119), (186, 116746), (217, 100068), (269, 80724), (372, 58373), (434, 50034), (538, 40362), (651, 33356), (807, 26908), (868, 25017), (961, 22596), (1076, 20181), (1302, 16678), (1614, 13454), (1883, 11532), (1922, 11298), (2604, 8339), (2883, 7532), (3228, 6727), (3766, 5766), (3844, 5649)]