21031007186

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3547}}^1\times {\mathrm{9011}}^1$

素因数の和:12614

約数の個数: 32

約数和(自身を含む): 36834711552

約数和(自身を除く): 15803704366

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 3547, 7094, 9011, 18022, 24829, 49658, 63077, 126154, 166709, 333418, 423517, 847034, 1166963, 2333926, 2964619, 5929238, 31962017, 63924034, 223734119, 447468238, 1502214799, 3004429598, 10515503593, 21031007186]

約数ペア:

[(1, 21031007186), (2, 10515503593), (7, 3004429598), (14, 1502214799), (47, 447468238), (94, 223734119), (329, 63924034), (658, 31962017), (3547, 5929238), (7094, 2964619), (9011, 2333926), (18022, 1166963), (24829, 847034), (49658, 423517), (63077, 333418), (126154, 166709)]