21480914

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{1297}}^1$

素因数の和:1339

約数の個数: 36

約数和(自身を含む): 40618314

約数和(自身を除く): 19137400

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 169, 182, 338, 637, 1183, 1274, 1297, 2366, 2594, 8281, 9079, 16562, 16861, 18158, 33722, 63553, 118027, 127106, 219193, 236054, 438386, 826189, 1534351, 1652378, 3068702, 10740457, 21480914]

約数ペア:

[(1, 21480914), (2, 10740457), (7, 3068702), (13, 1652378), (14, 1534351), (26, 826189), (49, 438386), (91, 236054), (98, 219193), (169, 127106), (182, 118027), (338, 63553), (637, 33722), (1183, 18158), (1274, 16861), (1297, 16562), (2366, 9079), (2594, 8281)]