21817068

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19979}}^1$

素因数の和:20006

約数の個数: 48

約数和(自身を含む): 62657280

約数和(自身を除く): 40840212

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 19979, 39958, 59937, 79916, 119874, 139853, 239748, 259727, 279706, 419559, 519454, 559412, 779181, 839118, 1038908, 1558362, 1678236, 1818089, 3116724, 3636178, 5454267, 7272356, 10908534, 21817068]

約数ペア:

[(1, 21817068), (2, 10908534), (3, 7272356), (4, 5454267), (6, 3636178), (7, 3116724), (12, 1818089), (13, 1678236), (14, 1558362), (21, 1038908), (26, 839118), (28, 779181), (39, 559412), (42, 519454), (52, 419559), (78, 279706), (84, 259727), (91, 239748), (156, 139853), (182, 119874), (273, 79916), (364, 59937), (546, 39958), (1092, 19979)]