21391674

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2447}}^1$

素因数の和:2530

約数の個数: 32

約数和(自身を含む): 45121536

約数和(自身を除く): 23729862

約数列:

[1, 2, 3, 6, 31, 47, 62, 93, 94, 141, 186, 282, 1457, 2447, 2914, 4371, 4894, 7341, 8742, 14682, 75857, 115009, 151714, 227571, 230018, 345027, 455142, 690054, 3565279, 7130558, 10695837, 21391674]

約数ペア:

[(1, 21391674), (2, 10695837), (3, 7130558), (6, 3565279), (31, 690054), (47, 455142), (62, 345027), (93, 230018), (94, 227571), (141, 151714), (186, 115009), (282, 75857), (1457, 14682), (2447, 8742), (2914, 7341), (4371, 4894)]