21797760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11353}}^1$

素因数の和:11375

約数の個数: 64

約数和(自身を含む): 69486480

約数和(自身を除く): 47688720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 11353, 22706, 34059, 45412, 56765, 68118, 90824, 113530, 136236, 170295, 181648, 227060, 272472, 340590, 363296, 454120, 544944, 681180, 726592, 908240, 1089888, 1362360, 1453184, 1816480, 2179776, 2724720, 3632960, 4359552, 5449440, 7265920, 10898880, 21797760]

約数ペア:

[(1, 21797760), (2, 10898880), (3, 7265920), (4, 5449440), (5, 4359552), (6, 3632960), (8, 2724720), (10, 2179776), (12, 1816480), (15, 1453184), (16, 1362360), (20, 1089888), (24, 908240), (30, 726592), (32, 681180), (40, 544944), (48, 454120), (60, 363296), (64, 340590), (80, 272472), (96, 227060), (120, 181648), (128, 170295), (160, 136236), (192, 113530), (240, 90824), (320, 68118), (384, 56765), (480, 45412), (640, 34059), (960, 22706), (1920, 11353)]