21183602

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 15104398

約数列:

[1, 2, 11, 22, 31, 62, 89, 178, 341, 349, 682, 698, 979, 1958, 2759, 3839, 5518, 7678, 10819, 21638, 30349, 31061, 60698, 62122, 119009, 238018, 341671, 683342, 962891, 1925782, 10591801, 21183602]

約数ペア:

[(1, 21183602), (2, 10591801), (11, 1925782), (22, 962891), (31, 683342), (62, 341671), (89, 238018), (178, 119009), (341, 62122), (349, 60698), (682, 31061), (698, 30349), (979, 21638), (1958, 10819), (2759, 7678), (3839, 5518)]