21318290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8231}}^1$

素因数の和:8282

約数の個数: 32

約数和(自身を含む): 45045504

約数和(自身を除く): 23727214

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 8231, 16462, 41155, 57617, 82310, 115234, 288085, 304547, 576170, 609094, 1522735, 2131829, 3045470, 4263658, 10659145, 21318290]

約数ペア:

[(1, 21318290), (2, 10659145), (5, 4263658), (7, 3045470), (10, 2131829), (14, 1522735), (35, 609094), (37, 576170), (70, 304547), (74, 288085), (185, 115234), (259, 82310), (370, 57617), (518, 41155), (1295, 16462), (2590, 8231)]