21863800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:150

約数の個数: 144

約数和(自身を含む): 62339760

約数和(自身を除く): 40475960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 35, 40, 46, 49, 50, 56, 70, 92, 97, 98, 100, 115, 140, 161, 175, 184, 194, 196, 200, 230, 245, 280, 322, 350, 388, 392, 460, 485, 490, 575, 644, 679, 700, 776, 805, 920, 970, 980, 1127, 1150, 1225, 1288, 1358, 1400, 1610, 1940, 1960, 2231, 2254, 2300, 2425, 2450, 2716, 3220, 3395, 3880, 4025, 4462, 4508, 4600, 4753, 4850, 4900, 5432, 5635, 6440, 6790, 8050, 8924, 9016, 9506, 9700, 9800, 11155, 11270, 13580, 15617, 16100, 16975, 17848, 19012, 19400, 22310, 22540, 23765, 27160, 28175, 31234, 32200, 33950, 38024, 44620, 45080, 47530, 55775, 56350, 62468, 67900, 78085, 89240, 95060, 109319, 111550, 112700, 118825, 124936, 135800, 156170, 190120, 218638, 223100, 225400, 237650, 312340, 390425, 437276, 446200, 475300, 546595, 624680, 780850, 874552, 950600, 1093190, 1561700, 2186380, 2732975, 3123400, 4372760, 5465950, 10931900, 21863800]

約数ペア:

[(1, 21863800), (2, 10931900), (4, 5465950), (5, 4372760), (7, 3123400), (8, 2732975), (10, 2186380), (14, 1561700), (20, 1093190), (23, 950600), (25, 874552), (28, 780850), (35, 624680), (40, 546595), (46, 475300), (49, 446200), (50, 437276), (56, 390425), (70, 312340), (92, 237650), (97, 225400), (98, 223100), (100, 218638), (115, 190120), (140, 156170), (161, 135800), (175, 124936), (184, 118825), (194, 112700), (196, 111550), (200, 109319), (230, 95060), (245, 89240), (280, 78085), (322, 67900), (350, 62468), (388, 56350), (392, 55775), (460, 47530), (485, 45080), (490, 44620), (575, 38024), (644, 33950), (679, 32200), (700, 31234), (776, 28175), (805, 27160), (920, 23765), (970, 22540), (980, 22310), (1127, 19400), (1150, 19012), (1225, 17848), (1288, 16975), (1358, 16100), (1400, 15617), (1610, 13580), (1940, 11270), (1960, 11155), (2231, 9800), (2254, 9700), (2300, 9506), (2425, 9016), (2450, 8924), (2716, 8050), (3220, 6790), (3395, 6440), (3880, 5635), (4025, 5432), (4462, 4900), (4508, 4850), (4600, 4753)]