2171652

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 5870592

約数和(自身を除く): 3698940

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 103, 206, 251, 309, 412, 502, 618, 721, 753, 1004, 1236, 1442, 1506, 1757, 2163, 2884, 3012, 3514, 4326, 5271, 7028, 8652, 10542, 21084, 25853, 51706, 77559, 103412, 155118, 180971, 310236, 361942, 542913, 723884, 1085826, 2171652]

約数ペア:

[(1, 2171652), (2, 1085826), (3, 723884), (4, 542913), (6, 361942), (7, 310236), (12, 180971), (14, 155118), (21, 103412), (28, 77559), (42, 51706), (84, 25853), (103, 21084), (206, 10542), (251, 8652), (309, 7028), (412, 5271), (502, 4326), (618, 3514), (721, 3012), (753, 2884), (1004, 2163), (1236, 1757), (1442, 1506)]