21643983

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1361}}^1$

素因数の和:1420

約数の個数: 32

約数和(自身を含む): 34867200

約数和(自身を除く): 13223217

約数列:

[1, 3, 9, 19, 27, 31, 57, 93, 171, 279, 513, 589, 837, 1361, 1767, 4083, 5301, 12249, 15903, 25859, 36747, 42191, 77577, 126573, 232731, 379719, 698193, 801629, 1139157, 2404887, 7214661, 21643983]

約数ペア:

[(1, 21643983), (3, 7214661), (9, 2404887), (19, 1139157), (27, 801629), (31, 698193), (57, 379719), (93, 232731), (171, 126573), (279, 77577), (513, 42191), (589, 36747), (837, 25859), (1361, 15903), (1767, 12249), (4083, 5301)]