21637156977

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{367}}^1\times {\mathrm{821}}^1$

素因数の和:1374

約数の個数: 48

約数和(自身を含む): 32088775680

約数和(自身を除く): 10451618703

約数列:

[1, 3, 9, 79, 101, 237, 303, 367, 711, 821, 909, 1101, 2463, 3303, 7389, 7979, 23937, 28993, 37067, 64859, 71811, 82921, 86979, 111201, 194577, 248763, 260937, 301307, 333603, 583731, 746289, 903921, 2711763, 2928293, 6550759, 8784879, 19652277, 23803253, 26354637, 30432007, 58956831, 71409759, 91296021, 214229277, 273888063, 2404128553, 7212385659, 21637156977]

約数ペア:

[(1, 21637156977), (3, 7212385659), (9, 2404128553), (79, 273888063), (101, 214229277), (237, 91296021), (303, 71409759), (367, 58956831), (711, 30432007), (821, 26354637), (909, 23803253), (1101, 19652277), (2463, 8784879), (3303, 6550759), (7389, 2928293), (7979, 2711763), (23937, 903921), (28993, 746289), (37067, 583731), (64859, 333603), (71811, 301307), (82921, 260937), (86979, 248763), (111201, 194577)]