21161504

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^3\times {\mathrm{43}}^1$

素因数の和:99

約数の個数: 96

約数和(自身を含む): 52778880

約数和(自身を除く): 31617376

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 43, 52, 56, 86, 91, 104, 112, 169, 172, 182, 208, 224, 301, 338, 344, 364, 416, 559, 602, 676, 688, 728, 1118, 1183, 1204, 1352, 1376, 1456, 2197, 2236, 2366, 2408, 2704, 2912, 3913, 4394, 4472, 4732, 4816, 5408, 7267, 7826, 8788, 8944, 9464, 9632, 14534, 15379, 15652, 17576, 17888, 18928, 29068, 30758, 31304, 35152, 37856, 50869, 58136, 61516, 62608, 70304, 94471, 101738, 116272, 123032, 125216, 188942, 203476, 232544, 246064, 377884, 406952, 492128, 661297, 755768, 813904, 1322594, 1511536, 1627808, 2645188, 3023072, 5290376, 10580752, 21161504]

約数ペア:

[(1, 21161504), (2, 10580752), (4, 5290376), (7, 3023072), (8, 2645188), (13, 1627808), (14, 1511536), (16, 1322594), (26, 813904), (28, 755768), (32, 661297), (43, 492128), (52, 406952), (56, 377884), (86, 246064), (91, 232544), (104, 203476), (112, 188942), (169, 125216), (172, 123032), (182, 116272), (208, 101738), (224, 94471), (301, 70304), (338, 62608), (344, 61516), (364, 58136), (416, 50869), (559, 37856), (602, 35152), (676, 31304), (688, 30758), (728, 29068), (1118, 18928), (1183, 17888), (1204, 17576), (1352, 15652), (1376, 15379), (1456, 14534), (2197, 9632), (2236, 9464), (2366, 8944), (2408, 8788), (2704, 7826), (2912, 7267), (3913, 5408), (4394, 4816), (4472, 4732)]