21130189440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{647371}}^1$

素因数の和:647410

約数の個数: 128

約数和(自身を含む): 71314499520

約数和(自身を除く): 50184310080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 816, 960, 1020, 1088, 1360, 1632, 1920, 2040, 2176, 2720, 3264, 4080, 5440, 6528, 8160, 10880, 16320, 32640, 647371, 1294742, 1942113, 2589484, 3236855, 3884226, 5178968, 6473710, 7768452, 9710565, 10357936, 11005307, 12947420, 15536904, 19421130, 20715872, 22010614, 25894840, 31073808, 33015921, 38842260, 41431744, 44021228, 51789680, 55026535, 62147616, 66031842, 77684520, 82863488, 88042456, 103579360, 110053070, 124295232, 132063684, 155369040, 165079605, 176084912, 207158720, 220106140, 248590464, 264127368, 310738080, 330159210, 352169824, 414317440, 440212280, 528254736, 621476160, 660318420, 704339648, 880424560, 1056509472, 1242952320, 1320636840, 1408679296, 1760849120, 2113018944, 2641273680, 3521698240, 4226037888, 5282547360, 7043396480, 10565094720, 21130189440]

約数ペア:

[(1, 21130189440), (2, 10565094720), (3, 7043396480), (4, 5282547360), (5, 4226037888), (6, 3521698240), (8, 2641273680), (10, 2113018944), (12, 1760849120), (15, 1408679296), (16, 1320636840), (17, 1242952320), (20, 1056509472), (24, 880424560), (30, 704339648), (32, 660318420), (34, 621476160), (40, 528254736), (48, 440212280), (51, 414317440), (60, 352169824), (64, 330159210), (68, 310738080), (80, 264127368), (85, 248590464), (96, 220106140), (102, 207158720), (120, 176084912), (128, 165079605), (136, 155369040), (160, 132063684), (170, 124295232), (192, 110053070), (204, 103579360), (240, 88042456), (255, 82863488), (272, 77684520), (320, 66031842), (340, 62147616), (384, 55026535), (408, 51789680), (480, 44021228), (510, 41431744), (544, 38842260), (640, 33015921), (680, 31073808), (816, 25894840), (960, 22010614), (1020, 20715872), (1088, 19421130), (1360, 15536904), (1632, 12947420), (1920, 11005307), (2040, 10357936), (2176, 9710565), (2720, 7768452), (3264, 6473710), (4080, 5178968), (5440, 3884226), (6528, 3236855), (8160, 2589484), (10880, 1942113), (16320, 1294742), (32640, 647371)]