21032396

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2969}}^1$

素因数の和:3014

約数の個数: 48

約数和(自身を含む): 47900160

約数和(自身を除く): 26867764

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 644, 1012, 1771, 2969, 3542, 5938, 7084, 11876, 20783, 32659, 41566, 65318, 68287, 83132, 130636, 136574, 228613, 273148, 457226, 478009, 751157, 914452, 956018, 1502314, 1912036, 3004628, 5258099, 10516198, 21032396]

約数ペア:

[(1, 21032396), (2, 10516198), (4, 5258099), (7, 3004628), (11, 1912036), (14, 1502314), (22, 956018), (23, 914452), (28, 751157), (44, 478009), (46, 457226), (77, 273148), (92, 228613), (154, 136574), (161, 130636), (253, 83132), (308, 68287), (322, 65318), (506, 41566), (644, 32659), (1012, 20783), (1771, 11876), (2969, 7084), (3542, 5938)]