21800595

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 36347904

約数和(自身を除く): 14547309

約数列:

[1, 3, 5, 15, 31, 93, 155, 173, 271, 465, 519, 813, 865, 1355, 2595, 4065, 5363, 8401, 16089, 25203, 26815, 42005, 46883, 80445, 126015, 140649, 234415, 703245, 1453373, 4360119, 7266865, 21800595]

約数ペア:

[(1, 21800595), (3, 7266865), (5, 4360119), (15, 1453373), (31, 703245), (93, 234415), (155, 140649), (173, 126015), (271, 80445), (465, 46883), (519, 42005), (813, 26815), (865, 25203), (1355, 16089), (2595, 8401), (4065, 5363)]