21216360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16073}}^1$

素因数の和:16098

約数の個数: 64

約数和(自身を含む): 69439680

約数和(自身を除く): 48223320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 16073, 32146, 48219, 64292, 80365, 96438, 128584, 160730, 176803, 192876, 241095, 321460, 353606, 385752, 482190, 530409, 642920, 707212, 884015, 964380, 1060818, 1414424, 1768030, 1928760, 2121636, 2652045, 3536060, 4243272, 5304090, 7072120, 10608180, 21216360]

約数ペア:

[(1, 21216360), (2, 10608180), (3, 7072120), (4, 5304090), (5, 4243272), (6, 3536060), (8, 2652045), (10, 2121636), (11, 1928760), (12, 1768030), (15, 1414424), (20, 1060818), (22, 964380), (24, 884015), (30, 707212), (33, 642920), (40, 530409), (44, 482190), (55, 385752), (60, 353606), (66, 321460), (88, 241095), (110, 192876), (120, 176803), (132, 160730), (165, 128584), (220, 96438), (264, 80365), (330, 64292), (440, 48219), (660, 32146), (1320, 16073)]