21649626

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{21101}}^1$

素因数の和:21131

約数の個数: 32

約数和(自身を含む): 50644800

約数和(自身を除く): 28995174

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 21101, 42202, 63303, 126606, 189909, 379818, 400919, 569727, 801838, 1139454, 1202757, 2405514, 3608271, 7216542, 10824813, 21649626]

約数ペア:

[(1, 21649626), (2, 10824813), (3, 7216542), (6, 3608271), (9, 2405514), (18, 1202757), (19, 1139454), (27, 801838), (38, 569727), (54, 400919), (57, 379818), (114, 189909), (171, 126606), (342, 63303), (513, 42202), (1026, 21101)]