21480360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16273}}^1$

素因数の和:16298

約数の個数: 64

約数和(自身を含む): 70303680

約数和(自身を除く): 48823320

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, 16273, 32546, 48819, 65092, 81365, 97638, 130184, 162730, 179003, 195276, 244095, 325460, 358006, 390552, 488190, 537009, 650920, 716012, 895015, 976380, 1074018, 1432024, 1790030, 1952760, 2148036, 2685045, 3580060, 4296072, 5370090, 7160120, 10740180, 21480360]

約数ペア:

[(1, 21480360), (2, 10740180), (3, 7160120), (4, 5370090), (5, 4296072), (6, 3580060), (8, 2685045), (10, 2148036), (11, 1952760), (12, 1790030), (15, 1432024), (20, 1074018), (22, 976380), (24, 895015), (30, 716012), (33, 650920), (40, 537009), (44, 488190), (55, 390552), (60, 358006), (66, 325460), (88, 244095), (110, 195276), (120, 179003), (132, 162730), (165, 130184), (220, 97638), (264, 81365), (330, 65092), (440, 48819), (660, 32546), (1320, 16273)]