21499683670

素因数分解:

$2^1\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1543}}^1\times {\mathrm{2251}}^1$

素因数の和:4420

約数の個数: 32

約数和(自身を含む): 38804302080

約数和(自身を除く): 17304618410

約数列:

[1, 2, 5, 10, 619, 1238, 1543, 2251, 3086, 3095, 4502, 6190, 7715, 11255, 15430, 22510, 955117, 1393369, 1910234, 2786738, 3473293, 4775585, 6946586, 6966845, 9551170, 13933690, 17366465, 34732930, 2149968367, 4299936734, 10749841835, 21499683670]

約数ペア:

[(1, 21499683670), (2, 10749841835), (5, 4299936734), (10, 2149968367), (619, 34732930), (1238, 17366465), (1543, 13933690), (2251, 9551170), (3086, 6966845), (3095, 6946586), (4502, 4775585), (6190, 3473293), (7715, 2786738), (11255, 1910234), (15430, 1393369), (22510, 955117)]