21842248

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{143699}}^1$

素因数の和:143724

約数の個数: 16

約数和(自身を含む): 43110000

約数和(自身を除く): 21267752

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 143699, 287398, 574796, 1149592, 2730281, 5460562, 10921124, 21842248]

約数ペア:

[(1, 21842248), (2, 10921124), (4, 5460562), (8, 2730281), (19, 1149592), (38, 574796), (76, 287398), (152, 143699)]