21819364

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1993}}^1$

素因数の和:2044

約数の個数: 48

約数和(自身を含む): 48238848

約数和(自身を除く): 26419484

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 92, 119, 161, 238, 322, 391, 476, 644, 782, 1564, 1993, 2737, 3986, 5474, 7972, 10948, 13951, 27902, 33881, 45839, 55804, 67762, 91678, 135524, 183356, 237167, 320873, 474334, 641746, 779263, 948668, 1283492, 1558526, 3117052, 5454841, 10909682, 21819364]

約数ペア:

[(1, 21819364), (2, 10909682), (4, 5454841), (7, 3117052), (14, 1558526), (17, 1283492), (23, 948668), (28, 779263), (34, 641746), (46, 474334), (68, 320873), (92, 237167), (119, 183356), (161, 135524), (238, 91678), (322, 67762), (391, 55804), (476, 45839), (644, 33881), (782, 27902), (1564, 13951), (1993, 10948), (2737, 7972), (3986, 5474)]