21845079

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{439}}^1$

素因数の和:564

約数の個数: 32

約数和(自身を含む): 34496000

約数和(自身を除く): 12650921

約数列:

[1, 3, 9, 19, 27, 57, 97, 171, 291, 439, 513, 873, 1317, 1843, 2619, 3951, 5529, 8341, 11853, 16587, 25023, 42583, 49761, 75069, 127749, 225207, 383247, 809077, 1149741, 2427231, 7281693, 21845079]

約数ペア:

[(1, 21845079), (3, 7281693), (9, 2427231), (19, 1149741), (27, 809077), (57, 383247), (97, 225207), (171, 127749), (291, 75069), (439, 49761), (513, 42583), (873, 25023), (1317, 16587), (1843, 11853), (2619, 8341), (3951, 5529)]