21116760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1093}}^1$

素因数の和:1137

約数の個数: 128

約数和(自身を含む): 75617280

約数和(自身を除く): 54500520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1093, 1288, 1380, 1610, 1932, 2186, 2415, 2760, 3220, 3279, 3864, 4372, 4830, 5465, 6440, 6558, 7651, 8744, 9660, 10930, 13116, 15302, 16395, 19320, 21860, 22953, 25139, 26232, 30604, 32790, 38255, 43720, 45906, 50278, 61208, 65580, 75417, 76510, 91812, 100556, 114765, 125695, 131160, 150834, 153020, 175973, 183624, 201112, 229530, 251390, 301668, 306040, 351946, 377085, 459060, 502780, 527919, 603336, 703892, 754170, 879865, 918120, 1005560, 1055838, 1407784, 1508340, 1759730, 2111676, 2639595, 3016680, 3519460, 4223352, 5279190, 7038920, 10558380, 21116760]

約数ペア:

[(1, 21116760), (2, 10558380), (3, 7038920), (4, 5279190), (5, 4223352), (6, 3519460), (7, 3016680), (8, 2639595), (10, 2111676), (12, 1759730), (14, 1508340), (15, 1407784), (20, 1055838), (21, 1005560), (23, 918120), (24, 879865), (28, 754170), (30, 703892), (35, 603336), (40, 527919), (42, 502780), (46, 459060), (56, 377085), (60, 351946), (69, 306040), (70, 301668), (84, 251390), (92, 229530), (105, 201112), (115, 183624), (120, 175973), (138, 153020), (140, 150834), (161, 131160), (168, 125695), (184, 114765), (210, 100556), (230, 91812), (276, 76510), (280, 75417), (322, 65580), (345, 61208), (420, 50278), (460, 45906), (483, 43720), (552, 38255), (644, 32790), (690, 30604), (805, 26232), (840, 25139), (920, 22953), (966, 21860), (1093, 19320), (1288, 16395), (1380, 15302), (1610, 13116), (1932, 10930), (2186, 9660), (2415, 8744), (2760, 7651), (3220, 6558), (3279, 6440), (3864, 5465), (4372, 4830)]