21751100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:244

約数の個数: 108

約数和(自身を含む): 57590064

約数和(自身を除く): 35838964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 49, 50, 70, 92, 98, 100, 115, 140, 161, 175, 193, 196, 230, 245, 322, 350, 386, 460, 490, 575, 644, 700, 772, 805, 965, 980, 1127, 1150, 1225, 1351, 1610, 1930, 2254, 2300, 2450, 2702, 3220, 3860, 4025, 4439, 4508, 4825, 4900, 5404, 5635, 6755, 8050, 8878, 9457, 9650, 11270, 13510, 16100, 17756, 18914, 19300, 22195, 22540, 27020, 28175, 31073, 33775, 37828, 44390, 47285, 56350, 62146, 67550, 88780, 94570, 110975, 112700, 124292, 135100, 155365, 189140, 217511, 221950, 236425, 310730, 435022, 443900, 472850, 621460, 776825, 870044, 945700, 1087555, 1553650, 2175110, 3107300, 4350220, 5437775, 10875550, 21751100]

約数ペア:

[(1, 21751100), (2, 10875550), (4, 5437775), (5, 4350220), (7, 3107300), (10, 2175110), (14, 1553650), (20, 1087555), (23, 945700), (25, 870044), (28, 776825), (35, 621460), (46, 472850), (49, 443900), (50, 435022), (70, 310730), (92, 236425), (98, 221950), (100, 217511), (115, 189140), (140, 155365), (161, 135100), (175, 124292), (193, 112700), (196, 110975), (230, 94570), (245, 88780), (322, 67550), (350, 62146), (386, 56350), (460, 47285), (490, 44390), (575, 37828), (644, 33775), (700, 31073), (772, 28175), (805, 27020), (965, 22540), (980, 22195), (1127, 19300), (1150, 18914), (1225, 17756), (1351, 16100), (1610, 13510), (1930, 11270), (2254, 9650), (2300, 9457), (2450, 8878), (2702, 8050), (3220, 6755), (3860, 5635), (4025, 5404), (4439, 4900), (4508, 4825)]