21613120

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:200

約数の個数: 112

約数和(自身を含む): 56784240

約数和(自身を除く): 35171120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 64, 68, 80, 85, 116, 136, 137, 145, 160, 170, 232, 272, 274, 290, 320, 340, 464, 493, 544, 548, 580, 680, 685, 928, 986, 1088, 1096, 1160, 1360, 1370, 1856, 1972, 2192, 2320, 2329, 2465, 2720, 2740, 3944, 3973, 4384, 4640, 4658, 4930, 5440, 5480, 7888, 7946, 8768, 9280, 9316, 9860, 10960, 11645, 15776, 15892, 18632, 19720, 19865, 21920, 23290, 31552, 31784, 37264, 39440, 39730, 43840, 46580, 63568, 67541, 74528, 78880, 79460, 93160, 127136, 135082, 149056, 157760, 158920, 186320, 254272, 270164, 317840, 337705, 372640, 540328, 635680, 675410, 745280, 1080656, 1271360, 1350820, 2161312, 2701640, 4322624, 5403280, 10806560, 21613120]

約数ペア:

[(1, 21613120), (2, 10806560), (4, 5403280), (5, 4322624), (8, 2701640), (10, 2161312), (16, 1350820), (17, 1271360), (20, 1080656), (29, 745280), (32, 675410), (34, 635680), (40, 540328), (58, 372640), (64, 337705), (68, 317840), (80, 270164), (85, 254272), (116, 186320), (136, 158920), (137, 157760), (145, 149056), (160, 135082), (170, 127136), (232, 93160), (272, 79460), (274, 78880), (290, 74528), (320, 67541), (340, 63568), (464, 46580), (493, 43840), (544, 39730), (548, 39440), (580, 37264), (680, 31784), (685, 31552), (928, 23290), (986, 21920), (1088, 19865), (1096, 19720), (1160, 18632), (1360, 15892), (1370, 15776), (1856, 11645), (1972, 10960), (2192, 9860), (2320, 9316), (2329, 9280), (2465, 8768), (2720, 7946), (2740, 7888), (3944, 5480), (3973, 5440), (4384, 4930), (4640, 4658)]