21174330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9941}}^1$

素因数の和:10022

約数の個数: 32

約数和(自身を含む): 51539328

約数和(自身を除く): 30364998

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 9941, 19882, 29823, 49705, 59646, 99410, 149115, 298230, 705811, 1411622, 2117433, 3529055, 4234866, 7058110, 10587165, 21174330]

約数ペア:

[(1, 21174330), (2, 10587165), (3, 7058110), (5, 4234866), (6, 3529055), (10, 2117433), (15, 1411622), (30, 705811), (71, 298230), (142, 149115), (213, 99410), (355, 59646), (426, 49705), (710, 29823), (1065, 19882), (2130, 9941)]