21954888

素因数分解:

$2^3\times 3^4\times {\mathrm{17}}^1\times {\mathrm{1993}}^1$

素因数の和:2028

約数の個数: 80

約数和(自身を含む): 65143980

約数和(自身を除く): 43189092

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 81, 102, 108, 136, 153, 162, 204, 216, 306, 324, 408, 459, 612, 648, 918, 1224, 1377, 1836, 1993, 2754, 3672, 3986, 5508, 5979, 7972, 11016, 11958, 15944, 17937, 23916, 33881, 35874, 47832, 53811, 67762, 71748, 101643, 107622, 135524, 143496, 161433, 203286, 215244, 271048, 304929, 322866, 406572, 430488, 609858, 645732, 813144, 914787, 1219716, 1291464, 1829574, 2439432, 2744361, 3659148, 5488722, 7318296, 10977444, 21954888]

約数ペア:

[(1, 21954888), (2, 10977444), (3, 7318296), (4, 5488722), (6, 3659148), (8, 2744361), (9, 2439432), (12, 1829574), (17, 1291464), (18, 1219716), (24, 914787), (27, 813144), (34, 645732), (36, 609858), (51, 430488), (54, 406572), (68, 322866), (72, 304929), (81, 271048), (102, 215244), (108, 203286), (136, 161433), (153, 143496), (162, 135524), (204, 107622), (216, 101643), (306, 71748), (324, 67762), (408, 53811), (459, 47832), (612, 35874), (648, 33881), (918, 23916), (1224, 17937), (1377, 15944), (1836, 11958), (1993, 11016), (2754, 7972), (3672, 5979), (3986, 5508)]