21515677767

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{44729}}^1$

素因数の和:44880

約数の個数: 48

約数和(自身を含む): 34191612000

約数和(自身を除く): 12675934233

約数列:

[1, 3, 9, 19, 29, 57, 87, 97, 171, 261, 291, 551, 873, 1653, 1843, 2813, 4959, 5529, 8439, 16587, 25317, 44729, 53447, 134187, 160341, 402561, 481023, 849851, 1297141, 2549553, 3891423, 4338713, 7648659, 11674269, 13016139, 24645679, 39048417, 73937037, 82435547, 125822677, 221811111, 247306641, 377468031, 741919923, 1132404093, 2390630863, 7171892589, 21515677767]

約数ペア:

[(1, 21515677767), (3, 7171892589), (9, 2390630863), (19, 1132404093), (29, 741919923), (57, 377468031), (87, 247306641), (97, 221811111), (171, 125822677), (261, 82435547), (291, 73937037), (551, 39048417), (873, 24645679), (1653, 13016139), (1843, 11674269), (2813, 7648659), (4959, 4338713), (5529, 3891423), (8439, 2549553), (16587, 1297141), (25317, 849851), (44729, 481023), (53447, 402561), (134187, 160341)]