21790560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4127}}^1$

素因数の和:4156

約数の個数: 96

約数和(自身を含む): 74898432

約数和(自身を除く): 53107872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 220, 240, 264, 330, 352, 440, 480, 528, 660, 880, 1056, 1320, 1760, 2640, 4127, 5280, 8254, 12381, 16508, 20635, 24762, 33016, 41270, 45397, 49524, 61905, 66032, 82540, 90794, 99048, 123810, 132064, 136191, 165080, 181588, 198096, 226985, 247620, 272382, 330160, 363176, 396192, 453970, 495240, 544764, 660320, 680955, 726352, 907940, 990480, 1089528, 1361910, 1452704, 1815880, 1980960, 2179056, 2723820, 3631760, 4358112, 5447640, 7263520, 10895280, 21790560]

約数ペア:

[(1, 21790560), (2, 10895280), (3, 7263520), (4, 5447640), (5, 4358112), (6, 3631760), (8, 2723820), (10, 2179056), (11, 1980960), (12, 1815880), (15, 1452704), (16, 1361910), (20, 1089528), (22, 990480), (24, 907940), (30, 726352), (32, 680955), (33, 660320), (40, 544764), (44, 495240), (48, 453970), (55, 396192), (60, 363176), (66, 330160), (80, 272382), (88, 247620), (96, 226985), (110, 198096), (120, 181588), (132, 165080), (160, 136191), (165, 132064), (176, 123810), (220, 99048), (240, 90794), (264, 82540), (330, 66032), (352, 61905), (440, 49524), (480, 45397), (528, 41270), (660, 33016), (880, 24762), (1056, 20635), (1320, 16508), (1760, 12381), (2640, 8254), (4127, 5280)]