21177422

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{28541}}^1$

素因数の和:28603

約数の個数: 16

約数和(自身を含む): 36990432

約数和(自身を除く): 15813010

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 28541, 57082, 199787, 399574, 1512673, 3025346, 10588711, 21177422]

約数ペア:

[(1, 21177422), (2, 10588711), (7, 3025346), (14, 1512673), (53, 399574), (106, 199787), (371, 57082), (742, 28541)]