21877776

素因数分解:

$2^4\times 3^5\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:371

約数の個数: 120

約数和(自身を含む): 67433184

約数和(自身を除く): 45555408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 34, 36, 48, 51, 54, 68, 72, 81, 102, 108, 136, 144, 153, 162, 204, 216, 243, 272, 306, 324, 331, 408, 432, 459, 486, 612, 648, 662, 816, 918, 972, 993, 1224, 1296, 1324, 1377, 1836, 1944, 1986, 2448, 2648, 2754, 2979, 3672, 3888, 3972, 4131, 5296, 5508, 5627, 5958, 7344, 7944, 8262, 8937, 11016, 11254, 11916, 15888, 16524, 16881, 17874, 22032, 22508, 23832, 26811, 33048, 33762, 35748, 45016, 47664, 50643, 53622, 66096, 67524, 71496, 80433, 90032, 101286, 107244, 135048, 142992, 151929, 160866, 202572, 214488, 270096, 303858, 321732, 405144, 428976, 455787, 607716, 643464, 810288, 911574, 1215432, 1286928, 1367361, 1823148, 2430864, 2734722, 3646296, 5469444, 7292592, 10938888, 21877776]

約数ペア:

[(1, 21877776), (2, 10938888), (3, 7292592), (4, 5469444), (6, 3646296), (8, 2734722), (9, 2430864), (12, 1823148), (16, 1367361), (17, 1286928), (18, 1215432), (24, 911574), (27, 810288), (34, 643464), (36, 607716), (48, 455787), (51, 428976), (54, 405144), (68, 321732), (72, 303858), (81, 270096), (102, 214488), (108, 202572), (136, 160866), (144, 151929), (153, 142992), (162, 135048), (204, 107244), (216, 101286), (243, 90032), (272, 80433), (306, 71496), (324, 67524), (331, 66096), (408, 53622), (432, 50643), (459, 47664), (486, 45016), (612, 35748), (648, 33762), (662, 33048), (816, 26811), (918, 23832), (972, 22508), (993, 22032), (1224, 17874), (1296, 16881), (1324, 16524), (1377, 15888), (1836, 11916), (1944, 11254), (1986, 11016), (2448, 8937), (2648, 8262), (2754, 7944), (2979, 7344), (3672, 5958), (3888, 5627), (3972, 5508), (4131, 5296)]