21708736823

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1\times {\mathrm{997}}^1$

素因数の和:1647

約数の個数: 32

約数和(自身を含む): 24097628160

約数和(自身を除く): 2388891337

約数列:

[1, 17, 31, 79, 523, 527, 997, 1343, 2449, 8891, 16213, 16949, 30907, 41317, 41633, 78763, 275621, 521431, 525419, 702389, 1280827, 1338971, 2441653, 8864327, 16164361, 21774059, 41193049, 41508101, 274794137, 700281833, 1276984519, 21708736823]

約数ペア:

[(1, 21708736823), (17, 1276984519), (31, 700281833), (79, 274794137), (523, 41508101), (527, 41193049), (997, 21774059), (1343, 16164361), (2449, 8864327), (8891, 2441653), (16213, 1338971), (16949, 1280827), (30907, 702389), (41317, 525419), (41633, 521431), (78763, 275621)]