21429135

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5233}}^1$

素因数の和:5264

約数の個数: 48

約数和(自身を含む): 45724224

約数和(自身を除く): 24295089

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 5233, 15699, 26165, 36631, 47097, 68029, 78495, 109893, 183155, 204087, 235485, 329679, 340145, 476203, 549465, 612261, 1020435, 1428609, 1648395, 2381015, 3061305, 4285827, 7143045, 21429135]

約数ペア:

[(1, 21429135), (3, 7143045), (5, 4285827), (7, 3061305), (9, 2381015), (13, 1648395), (15, 1428609), (21, 1020435), (35, 612261), (39, 549465), (45, 476203), (63, 340145), (65, 329679), (91, 235485), (105, 204087), (117, 183155), (195, 109893), (273, 78495), (315, 68029), (455, 47097), (585, 36631), (819, 26165), (1365, 15699), (4095, 5233)]