21874510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16447}}^1$

素因数の和:16480

約数の個数: 32

約数和(自身を含む): 47370240

約数和(自身を除く): 25495730

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 16447, 32894, 82235, 115129, 164470, 230258, 312493, 575645, 624986, 1151290, 1562465, 2187451, 3124930, 4374902, 10937255, 21874510]

約数ペア:

[(1, 21874510), (2, 10937255), (5, 4374902), (7, 3124930), (10, 2187451), (14, 1562465), (19, 1151290), (35, 624986), (38, 575645), (70, 312493), (95, 230258), (133, 164470), (190, 115129), (266, 82235), (665, 32894), (1330, 16447)]