21373884

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{953}}^1$

素因数の和:1059

約数の個数: 72

約数和(自身を含む): 62506080

約数和(自身を除く): 41132196

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 89, 126, 178, 252, 267, 356, 534, 623, 801, 953, 1068, 1246, 1602, 1869, 1906, 2492, 2859, 3204, 3738, 3812, 5607, 5718, 6671, 7476, 8577, 11214, 11436, 13342, 17154, 20013, 22428, 26684, 34308, 40026, 60039, 80052, 84817, 120078, 169634, 240156, 254451, 339268, 508902, 593719, 763353, 1017804, 1187438, 1526706, 1781157, 2374876, 3053412, 3562314, 5343471, 7124628, 10686942, 21373884]

約数ペア:

[(1, 21373884), (2, 10686942), (3, 7124628), (4, 5343471), (6, 3562314), (7, 3053412), (9, 2374876), (12, 1781157), (14, 1526706), (18, 1187438), (21, 1017804), (28, 763353), (36, 593719), (42, 508902), (63, 339268), (84, 254451), (89, 240156), (126, 169634), (178, 120078), (252, 84817), (267, 80052), (356, 60039), (534, 40026), (623, 34308), (801, 26684), (953, 22428), (1068, 20013), (1246, 17154), (1602, 13342), (1869, 11436), (1906, 11214), (2492, 8577), (2859, 7476), (3204, 6671), (3738, 5718), (3812, 5607)]