21741434

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4001}}^1$

素因数の和:4046

約数の個数: 32

約数和(自身を含む): 40340160

約数和(自身を除く): 18598726

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 209, 247, 286, 418, 494, 2717, 4001, 5434, 8002, 44011, 52013, 76019, 88022, 104026, 152038, 572143, 836209, 988247, 1144286, 1672418, 1976494, 10870717, 21741434]

約数ペア:

[(1, 21741434), (2, 10870717), (11, 1976494), (13, 1672418), (19, 1144286), (22, 988247), (26, 836209), (38, 572143), (143, 152038), (209, 104026), (247, 88022), (286, 76019), (418, 52013), (494, 44011), (2717, 8002), (4001, 5434)]