21282027

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:683

約数の個数: 32

約数和(自身を含む): 32686080

約数和(自身を除く): 11404053

約数列:

[1, 3, 13, 29, 31, 39, 87, 93, 377, 403, 607, 899, 1131, 1209, 1821, 2697, 7891, 11687, 17603, 18817, 23673, 35061, 52809, 56451, 228839, 244621, 545693, 686517, 733863, 1637079, 7094009, 21282027]

約数ペア:

[(1, 21282027), (3, 7094009), (13, 1637079), (29, 733863), (31, 686517), (39, 545693), (87, 244621), (93, 228839), (377, 56451), (403, 52809), (607, 35061), (899, 23673), (1131, 18817), (1209, 17603), (1821, 11687), (2697, 7891)]