21400200

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{1321}}^1$

素因数の和:1349

約数の個数: 120

約数和(自身を含む): 74382330

約数和(自身を除く): 52982130

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 81, 90, 100, 108, 120, 135, 150, 162, 180, 200, 216, 225, 270, 300, 324, 360, 405, 450, 540, 600, 648, 675, 810, 900, 1080, 1321, 1350, 1620, 1800, 2025, 2642, 2700, 3240, 3963, 4050, 5284, 5400, 6605, 7926, 8100, 10568, 11889, 13210, 15852, 16200, 19815, 23778, 26420, 31704, 33025, 35667, 39630, 47556, 52840, 59445, 66050, 71334, 79260, 95112, 99075, 107001, 118890, 132100, 142668, 158520, 178335, 198150, 214002, 237780, 264200, 285336, 297225, 356670, 396300, 428004, 475560, 535005, 594450, 713340, 792600, 856008, 891675, 1070010, 1188900, 1426680, 1783350, 2140020, 2377800, 2675025, 3566700, 4280040, 5350050, 7133400, 10700100, 21400200]

約数ペア:

[(1, 21400200), (2, 10700100), (3, 7133400), (4, 5350050), (5, 4280040), (6, 3566700), (8, 2675025), (9, 2377800), (10, 2140020), (12, 1783350), (15, 1426680), (18, 1188900), (20, 1070010), (24, 891675), (25, 856008), (27, 792600), (30, 713340), (36, 594450), (40, 535005), (45, 475560), (50, 428004), (54, 396300), (60, 356670), (72, 297225), (75, 285336), (81, 264200), (90, 237780), (100, 214002), (108, 198150), (120, 178335), (135, 158520), (150, 142668), (162, 132100), (180, 118890), (200, 107001), (216, 99075), (225, 95112), (270, 79260), (300, 71334), (324, 66050), (360, 59445), (405, 52840), (450, 47556), (540, 39630), (600, 35667), (648, 33025), (675, 31704), (810, 26420), (900, 23778), (1080, 19815), (1321, 16200), (1350, 15852), (1620, 13210), (1800, 11889), (2025, 10568), (2642, 8100), (2700, 7926), (3240, 6605), (3963, 5400), (4050, 5284)]