21988874

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:286

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 13936246

約数列:

[1, 2, 23, 41, 46, 82, 89, 131, 178, 262, 943, 1886, 2047, 3013, 3649, 4094, 5371, 6026, 7298, 10742, 11659, 23318, 83927, 123533, 167854, 247066, 268157, 478019, 536314, 956038, 10994437, 21988874]

約数ペア:

[(1, 21988874), (2, 10994437), (23, 956038), (41, 536314), (46, 478019), (82, 268157), (89, 247066), (131, 167854), (178, 123533), (262, 83927), (943, 23318), (1886, 11659), (2047, 10742), (3013, 7298), (3649, 6026), (4094, 5371)]