21366212

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{44887}}^1$

素因数の和:44915

約数の個数: 24

約数和(自身を含む): 45247104

約数和(自身を除く): 23880892

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 44887, 89774, 179548, 314209, 628418, 763079, 1256836, 1526158, 3052316, 5341553, 10683106, 21366212]

約数ペア:

[(1, 21366212), (2, 10683106), (4, 5341553), (7, 3052316), (14, 1526158), (17, 1256836), (28, 763079), (34, 628418), (68, 314209), (119, 179548), (238, 89774), (476, 44887)]