21744170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16349}}^1$

素因数の和:16382

約数の個数: 32

約数和(自身を含む): 47088000

約数和(自身を除く): 25343830

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 16349, 32698, 81745, 114443, 163490, 228886, 310631, 572215, 621262, 1144430, 1553155, 2174417, 3106310, 4348834, 10872085, 21744170]

約数ペア:

[(1, 21744170), (2, 10872085), (5, 4348834), (7, 3106310), (10, 2174417), (14, 1553155), (19, 1144430), (35, 621262), (38, 572215), (70, 310631), (95, 228886), (133, 163490), (190, 114443), (266, 81745), (665, 32698), (1330, 16349)]