21953702

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{4217}}^1$

素因数の和:4375

約数の個数: 16

約数和(自身を含む): 34925040

約数和(自身を除く): 12971338

約数列:

[1, 2, 19, 38, 137, 274, 2603, 4217, 5206, 8434, 80123, 160246, 577729, 1155458, 10976851, 21953702]

約数ペア:

[(1, 21953702), (2, 10976851), (19, 1155458), (38, 577729), (137, 160246), (274, 80123), (2603, 8434), (4217, 5206)]