21414400

素因数分解:

$2^9\times 5^2\times 7^1\times {\mathrm{239}}^1$

素因数の和:274

約数の個数: 120

約数和(自身を含む): 60888960

約数和(自身を除く): 39474560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 239, 256, 280, 320, 350, 400, 448, 478, 512, 560, 640, 700, 800, 896, 956, 1120, 1195, 1280, 1400, 1600, 1673, 1792, 1912, 2240, 2390, 2560, 2800, 3200, 3346, 3584, 3824, 4480, 4780, 5600, 5975, 6400, 6692, 7648, 8365, 8960, 9560, 11200, 11950, 12800, 13384, 15296, 16730, 17920, 19120, 22400, 23900, 26768, 30592, 33460, 38240, 41825, 44800, 47800, 53536, 61184, 66920, 76480, 83650, 89600, 95600, 107072, 122368, 133840, 152960, 167300, 191200, 214144, 267680, 305920, 334600, 382400, 428288, 535360, 611840, 669200, 764800, 856576, 1070720, 1338400, 1529600, 2141440, 2676800, 3059200, 4282880, 5353600, 10707200, 21414400]

約数ペア:

[(1, 21414400), (2, 10707200), (4, 5353600), (5, 4282880), (7, 3059200), (8, 2676800), (10, 2141440), (14, 1529600), (16, 1338400), (20, 1070720), (25, 856576), (28, 764800), (32, 669200), (35, 611840), (40, 535360), (50, 428288), (56, 382400), (64, 334600), (70, 305920), (80, 267680), (100, 214144), (112, 191200), (128, 167300), (140, 152960), (160, 133840), (175, 122368), (200, 107072), (224, 95600), (239, 89600), (256, 83650), (280, 76480), (320, 66920), (350, 61184), (400, 53536), (448, 47800), (478, 44800), (512, 41825), (560, 38240), (640, 33460), (700, 30592), (800, 26768), (896, 23900), (956, 22400), (1120, 19120), (1195, 17920), (1280, 16730), (1400, 15296), (1600, 13384), (1673, 12800), (1792, 11950), (1912, 11200), (2240, 9560), (2390, 8960), (2560, 8365), (2800, 7648), (3200, 6692), (3346, 6400), (3584, 5975), (3824, 5600), (4480, 4780)]