21243300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{419}}^1$

素因数の和:462

約数の個数: 108

約数和(自身を含む): 66714480

約数和(自身を除く): 45471180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 169, 195, 260, 300, 325, 338, 390, 419, 507, 650, 676, 780, 838, 845, 975, 1014, 1257, 1300, 1676, 1690, 1950, 2028, 2095, 2514, 2535, 3380, 3900, 4190, 4225, 5028, 5070, 5447, 6285, 8380, 8450, 10140, 10475, 10894, 12570, 12675, 16341, 16900, 20950, 21788, 25140, 25350, 27235, 31425, 32682, 41900, 50700, 54470, 62850, 65364, 70811, 81705, 108940, 125700, 136175, 141622, 163410, 212433, 272350, 283244, 326820, 354055, 408525, 424866, 544700, 708110, 817050, 849732, 1062165, 1416220, 1634100, 1770275, 2124330, 3540550, 4248660, 5310825, 7081100, 10621650, 21243300]

約数ペア:

[(1, 21243300), (2, 10621650), (3, 7081100), (4, 5310825), (5, 4248660), (6, 3540550), (10, 2124330), (12, 1770275), (13, 1634100), (15, 1416220), (20, 1062165), (25, 849732), (26, 817050), (30, 708110), (39, 544700), (50, 424866), (52, 408525), (60, 354055), (65, 326820), (75, 283244), (78, 272350), (100, 212433), (130, 163410), (150, 141622), (156, 136175), (169, 125700), (195, 108940), (260, 81705), (300, 70811), (325, 65364), (338, 62850), (390, 54470), (419, 50700), (507, 41900), (650, 32682), (676, 31425), (780, 27235), (838, 25350), (845, 25140), (975, 21788), (1014, 20950), (1257, 16900), (1300, 16341), (1676, 12675), (1690, 12570), (1950, 10894), (2028, 10475), (2095, 10140), (2514, 8450), (2535, 8380), (3380, 6285), (3900, 5447), (4190, 5070), (4225, 5028)]