21053280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1907}}^1$

素因数の和:1948

約数の個数: 96

約数和(自身を含む): 69237504

約数和(自身を除く): 48184224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 160, 184, 230, 240, 276, 345, 368, 460, 480, 552, 690, 736, 920, 1104, 1380, 1840, 1907, 2208, 2760, 3680, 3814, 5520, 5721, 7628, 9535, 11040, 11442, 15256, 19070, 22884, 28605, 30512, 38140, 43861, 45768, 57210, 61024, 76280, 87722, 91536, 114420, 131583, 152560, 175444, 183072, 219305, 228840, 263166, 305120, 350888, 438610, 457680, 526332, 657915, 701776, 877220, 915360, 1052664, 1315830, 1403552, 1754440, 2105328, 2631660, 3508880, 4210656, 5263320, 7017760, 10526640, 21053280]

約数ペア:

[(1, 21053280), (2, 10526640), (3, 7017760), (4, 5263320), (5, 4210656), (6, 3508880), (8, 2631660), (10, 2105328), (12, 1754440), (15, 1403552), (16, 1315830), (20, 1052664), (23, 915360), (24, 877220), (30, 701776), (32, 657915), (40, 526332), (46, 457680), (48, 438610), (60, 350888), (69, 305120), (80, 263166), (92, 228840), (96, 219305), (115, 183072), (120, 175444), (138, 152560), (160, 131583), (184, 114420), (230, 91536), (240, 87722), (276, 76280), (345, 61024), (368, 57210), (460, 45768), (480, 43861), (552, 38140), (690, 30512), (736, 28605), (920, 22884), (1104, 19070), (1380, 15256), (1840, 11442), (1907, 11040), (2208, 9535), (2760, 7628), (3680, 5721), (3814, 5520)]