21559148

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21821}}^1$

素因数の和:21857

約数の個数: 24

約数和(自身を含む): 42771120

約数和(自身を除く): 21211972

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 21821, 43642, 87284, 283673, 414599, 567346, 829198, 1134692, 1658396, 5389787, 10779574, 21559148]

約数ペア:

[(1, 21559148), (2, 10779574), (4, 5389787), (13, 1658396), (19, 1134692), (26, 829198), (38, 567346), (52, 414599), (76, 283673), (247, 87284), (494, 43642), (988, 21821)]