21409162

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{15227}}^1$

素因数の和:15285

約数の個数: 16

約数和(自身を含む): 34719840

約数和(自身を除く): 13310678

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 15227, 30454, 289313, 563399, 578626, 1126798, 10704581, 21409162]

約数ペア:

[(1, 21409162), (2, 10704581), (19, 1126798), (37, 578626), (38, 563399), (74, 289313), (703, 30454), (1406, 15227)]