21230000

素因数分解:

$2^4\times 5^4\times {\mathrm{11}}^1\times {\mathrm{193}}^1$

素因数の和:232

約数の個数: 100

約数和(自身を含む): 56363208

約数和(自身を除く): 35133208

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 176, 193, 200, 220, 250, 275, 386, 400, 440, 500, 550, 625, 772, 880, 965, 1000, 1100, 1250, 1375, 1544, 1930, 2000, 2123, 2200, 2500, 2750, 3088, 3860, 4246, 4400, 4825, 5000, 5500, 6875, 7720, 8492, 9650, 10000, 10615, 11000, 13750, 15440, 16984, 19300, 21230, 22000, 24125, 27500, 33968, 38600, 42460, 48250, 53075, 55000, 77200, 84920, 96500, 106150, 110000, 120625, 169840, 193000, 212300, 241250, 265375, 386000, 424600, 482500, 530750, 849200, 965000, 1061500, 1326875, 1930000, 2123000, 2653750, 4246000, 5307500, 10615000, 21230000]

約数ペア:

[(1, 21230000), (2, 10615000), (4, 5307500), (5, 4246000), (8, 2653750), (10, 2123000), (11, 1930000), (16, 1326875), (20, 1061500), (22, 965000), (25, 849200), (40, 530750), (44, 482500), (50, 424600), (55, 386000), (80, 265375), (88, 241250), (100, 212300), (110, 193000), (125, 169840), (176, 120625), (193, 110000), (200, 106150), (220, 96500), (250, 84920), (275, 77200), (386, 55000), (400, 53075), (440, 48250), (500, 42460), (550, 38600), (625, 33968), (772, 27500), (880, 24125), (965, 22000), (1000, 21230), (1100, 19300), (1250, 16984), (1375, 15440), (1544, 13750), (1930, 11000), (2000, 10615), (2123, 10000), (2200, 9650), (2500, 8492), (2750, 7720), (3088, 6875), (3860, 5500), (4246, 5000), (4400, 4825)]