21890400

素因数分解:

$2^5\times 3^1\times 5^2\times 7^1\times {\mathrm{1303}}^1$

素因数の和:1333

約数の個数: 144

約数和(自身を含む): 81494784

約数和(自身を除く): 59604384

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 140, 150, 160, 168, 175, 200, 210, 224, 240, 280, 300, 336, 350, 400, 420, 480, 525, 560, 600, 672, 700, 800, 840, 1050, 1120, 1200, 1303, 1400, 1680, 2100, 2400, 2606, 2800, 3360, 3909, 4200, 5212, 5600, 6515, 7818, 8400, 9121, 10424, 13030, 15636, 16800, 18242, 19545, 20848, 26060, 27363, 31272, 32575, 36484, 39090, 41696, 45605, 52120, 54726, 62544, 65150, 72968, 78180, 91210, 97725, 104240, 109452, 125088, 130300, 136815, 145936, 156360, 182420, 195450, 208480, 218904, 228025, 260600, 273630, 291872, 312720, 364840, 390900, 437808, 456050, 521200, 547260, 625440, 684075, 729680, 781800, 875616, 912100, 1042400, 1094520, 1368150, 1459360, 1563600, 1824200, 2189040, 2736300, 3127200, 3648400, 4378080, 5472600, 7296800, 10945200, 21890400]

約数ペア:

[(1, 21890400), (2, 10945200), (3, 7296800), (4, 5472600), (5, 4378080), (6, 3648400), (7, 3127200), (8, 2736300), (10, 2189040), (12, 1824200), (14, 1563600), (15, 1459360), (16, 1368150), (20, 1094520), (21, 1042400), (24, 912100), (25, 875616), (28, 781800), (30, 729680), (32, 684075), (35, 625440), (40, 547260), (42, 521200), (48, 456050), (50, 437808), (56, 390900), (60, 364840), (70, 312720), (75, 291872), (80, 273630), (84, 260600), (96, 228025), (100, 218904), (105, 208480), (112, 195450), (120, 182420), (140, 156360), (150, 145936), (160, 136815), (168, 130300), (175, 125088), (200, 109452), (210, 104240), (224, 97725), (240, 91210), (280, 78180), (300, 72968), (336, 65150), (350, 62544), (400, 54726), (420, 52120), (480, 45605), (525, 41696), (560, 39090), (600, 36484), (672, 32575), (700, 31272), (800, 27363), (840, 26060), (1050, 20848), (1120, 19545), (1200, 18242), (1303, 16800), (1400, 15636), (1680, 13030), (2100, 10424), (2400, 9121), (2606, 8400), (2800, 7818), (3360, 6515), (3909, 5600), (4200, 5212)]