21343712

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{51307}}^1$

素因数の和:51330

約数の個数: 24

約数和(自身を含む): 45253656

約数和(自身を除く): 23909944

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 51307, 102614, 205228, 410456, 666991, 820912, 1333982, 1641824, 2667964, 5335928, 10671856, 21343712]

約数ペア:

[(1, 21343712), (2, 10671856), (4, 5335928), (8, 2667964), (13, 1641824), (16, 1333982), (26, 820912), (32, 666991), (52, 410456), (104, 205228), (208, 102614), (416, 51307)]