21986291262

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{699443}}^1$

素因数の和:699505

約数の個数: 48

約数和(自身を含む): 49151328768

約数和(自身を除く): 27165037506

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 169, 186, 338, 403, 507, 806, 1014, 1209, 2418, 5239, 10478, 15717, 31434, 699443, 1398886, 2098329, 4196658, 9092759, 18185518, 21682733, 27278277, 43365466, 54556554, 65048199, 118205867, 130096398, 236411734, 281875529, 354617601, 563751058, 709235202, 845626587, 1691253174, 3664381877, 7328763754, 10993145631, 21986291262]

約数ペア:

[(1, 21986291262), (2, 10993145631), (3, 7328763754), (6, 3664381877), (13, 1691253174), (26, 845626587), (31, 709235202), (39, 563751058), (62, 354617601), (78, 281875529), (93, 236411734), (169, 130096398), (186, 118205867), (338, 65048199), (403, 54556554), (507, 43365466), (806, 27278277), (1014, 21682733), (1209, 18185518), (2418, 9092759), (5239, 4196658), (10478, 2098329), (15717, 1398886), (31434, 699443)]