21209394

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1129}}^1$

素因数の和:1266

約数の個数: 32

約数和(自身を含む): 44259840

約数和(自身を除く): 23050446

約数列:

[1, 2, 3, 6, 31, 62, 93, 101, 186, 202, 303, 606, 1129, 2258, 3131, 3387, 6262, 6774, 9393, 18786, 34999, 69998, 104997, 114029, 209994, 228058, 342087, 684174, 3534899, 7069798, 10604697, 21209394]

約数ペア:

[(1, 21209394), (2, 10604697), (3, 7069798), (6, 3534899), (31, 684174), (62, 342087), (93, 228058), (101, 209994), (186, 114029), (202, 104997), (303, 69998), (606, 34999), (1129, 18786), (2258, 9393), (3131, 6774), (3387, 6262)]