21928808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1181}}^1$

素因数の和:1409

約数の個数: 32

約数和(自身を含む): 45105120

約数和(自身を除く): 23176312

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 211, 422, 844, 1181, 1688, 2321, 2362, 4642, 4724, 9284, 9448, 12991, 18568, 25982, 51964, 103928, 249191, 498382, 996764, 1993528, 2741101, 5482202, 10964404, 21928808]

約数ペア:

[(1, 21928808), (2, 10964404), (4, 5482202), (8, 2741101), (11, 1993528), (22, 996764), (44, 498382), (88, 249191), (211, 103928), (422, 51964), (844, 25982), (1181, 18568), (1688, 12991), (2321, 9448), (2362, 9284), (4642, 4724)]