21310976001

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1\times {\mathrm{46489}}^1$

素因数の和:46845

約数の個数: 32

約数和(自身を含む): 32990791680

約数和(自身を除く): 11679815679

約数列:

[1, 3, 7, 21, 83, 249, 263, 581, 789, 1743, 1841, 5523, 21829, 46489, 65487, 139467, 152803, 325423, 458409, 976269, 3858587, 11575761, 12226607, 27010109, 36679821, 81030327, 85586249, 256758747, 1014808381, 3044425143, 7103658667, 21310976001]

約数ペア:

[(1, 21310976001), (3, 7103658667), (7, 3044425143), (21, 1014808381), (83, 256758747), (249, 85586249), (263, 81030327), (581, 36679821), (789, 27010109), (1743, 12226607), (1841, 11575761), (5523, 3858587), (21829, 976269), (46489, 458409), (65487, 325423), (139467, 152803)]