21984326

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{607}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 40857600

約数和(自身を除く): 18873274

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 199, 398, 607, 1214, 1393, 2587, 2786, 4249, 5174, 7891, 8498, 15782, 18109, 36218, 55237, 110474, 120793, 241586, 845551, 1570309, 1691102, 3140618, 10992163, 21984326]

約数ペア:

[(1, 21984326), (2, 10992163), (7, 3140618), (13, 1691102), (14, 1570309), (26, 845551), (91, 241586), (182, 120793), (199, 110474), (398, 55237), (607, 36218), (1214, 18109), (1393, 15782), (2587, 8498), (2786, 7891), (4249, 5174)]