21541080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16319}}^1$

素因数の和:16344

約数の個数: 64

約数和(自身を含む): 70502400

約数和(自身を除く): 48961320

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, 16319, 32638, 48957, 65276, 81595, 97914, 130552, 163190, 179509, 195828, 244785, 326380, 359018, 391656, 489570, 538527, 652760, 718036, 897545, 979140, 1077054, 1436072, 1795090, 1958280, 2154108, 2692635, 3590180, 4308216, 5385270, 7180360, 10770540, 21541080]

約数ペア:

[(1, 21541080), (2, 10770540), (3, 7180360), (4, 5385270), (5, 4308216), (6, 3590180), (8, 2692635), (10, 2154108), (11, 1958280), (12, 1795090), (15, 1436072), (20, 1077054), (22, 979140), (24, 897545), (30, 718036), (33, 652760), (40, 538527), (44, 489570), (55, 391656), (60, 359018), (66, 326380), (88, 244785), (110, 195828), (120, 179509), (132, 163190), (165, 130552), (220, 97914), (264, 81595), (330, 65276), (440, 48957), (660, 32638), (1320, 16319)]