21497498

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 36372672

約数和(自身を除く): 14875174

約数列:

[1, 2, 11, 22, 61, 83, 122, 166, 193, 386, 671, 913, 1342, 1826, 2123, 4246, 5063, 10126, 11773, 16019, 23546, 32038, 55693, 111386, 129503, 176209, 259006, 352418, 977159, 1954318, 10748749, 21497498]

約数ペア:

[(1, 21497498), (2, 10748749), (11, 1954318), (22, 977159), (61, 352418), (83, 259006), (122, 176209), (166, 129503), (193, 111386), (386, 55693), (671, 32038), (913, 23546), (1342, 16019), (1826, 11773), (2123, 10126), (4246, 5063)]