21664482

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{547}}^1$

素因数の和:623

約数の個数: 64

約数和(自身を含む): 53028864

約数和(自身を除く): 31364382

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 41, 42, 46, 69, 82, 123, 138, 161, 246, 287, 322, 483, 547, 574, 861, 943, 966, 1094, 1641, 1722, 1886, 2829, 3282, 3829, 5658, 6601, 7658, 11487, 12581, 13202, 19803, 22427, 22974, 25162, 37743, 39606, 44854, 67281, 75486, 88067, 134562, 156989, 176134, 264201, 313978, 470967, 515821, 528402, 941934, 1031642, 1547463, 3094926, 3610747, 7221494, 10832241, 21664482]

約数ペア:

[(1, 21664482), (2, 10832241), (3, 7221494), (6, 3610747), (7, 3094926), (14, 1547463), (21, 1031642), (23, 941934), (41, 528402), (42, 515821), (46, 470967), (69, 313978), (82, 264201), (123, 176134), (138, 156989), (161, 134562), (246, 88067), (287, 75486), (322, 67281), (483, 44854), (547, 39606), (574, 37743), (861, 25162), (943, 22974), (966, 22427), (1094, 19803), (1641, 13202), (1722, 12581), (1886, 11487), (2829, 7658), (3282, 6601), (3829, 5658)]