21955560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16633}}^1$

素因数の和:16658

約数の個数: 64

約数和(自身を含む): 71858880

約数和(自身を除く): 49903320

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, 16633, 33266, 49899, 66532, 83165, 99798, 133064, 166330, 182963, 199596, 249495, 332660, 365926, 399192, 498990, 548889, 665320, 731852, 914815, 997980, 1097778, 1463704, 1829630, 1995960, 2195556, 2744445, 3659260, 4391112, 5488890, 7318520, 10977780, 21955560]

約数ペア:

[(1, 21955560), (2, 10977780), (3, 7318520), (4, 5488890), (5, 4391112), (6, 3659260), (8, 2744445), (10, 2195556), (11, 1995960), (12, 1829630), (15, 1463704), (20, 1097778), (22, 997980), (24, 914815), (30, 731852), (33, 665320), (40, 548889), (44, 498990), (55, 399192), (60, 365926), (66, 332660), (88, 249495), (110, 199596), (120, 182963), (132, 166330), (165, 133064), (220, 99798), (264, 83165), (330, 66532), (440, 49899), (660, 33266), (1320, 16633)]