21852052

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:488

約数の個数: 36

約数和(自身を含む): 41551860

約数和(自身を除く): 19699808

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 361, 409, 703, 722, 818, 1406, 1444, 1636, 2812, 7771, 13357, 15133, 15542, 26714, 30266, 31084, 53428, 60532, 147649, 287527, 295298, 575054, 590596, 1150108, 5463013, 10926026, 21852052]

約数ペア:

[(1, 21852052), (2, 10926026), (4, 5463013), (19, 1150108), (37, 590596), (38, 575054), (74, 295298), (76, 287527), (148, 147649), (361, 60532), (409, 53428), (703, 31084), (722, 30266), (818, 26714), (1406, 15542), (1444, 15133), (1636, 13357), (2812, 7771)]