11721390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5503}}^1$

素因数の和:5584

約数の個数: 32

約数和(自身を含む): 28532736

約数和(自身を除く): 16811346

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 5503, 11006, 16509, 27515, 33018, 55030, 82545, 165090, 390713, 781426, 1172139, 1953565, 2344278, 3907130, 5860695, 11721390]

約数ペア:

[(1, 11721390), (2, 5860695), (3, 3907130), (5, 2344278), (6, 1953565), (10, 1172139), (15, 781426), (30, 390713), (71, 165090), (142, 82545), (213, 55030), (355, 33018), (426, 27515), (710, 16509), (1065, 11006), (2130, 5503)]