21670410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42491}}^1$

素因数の和:42518

約数の個数: 32

約数和(自身を含む): 55069632

約数和(自身を除く): 33399222

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 42491, 84982, 127473, 212455, 254946, 424910, 637365, 722347, 1274730, 1444694, 2167041, 3611735, 4334082, 7223470, 10835205, 21670410]

約数ペア:

[(1, 21670410), (2, 10835205), (3, 7223470), (5, 4334082), (6, 3611735), (10, 2167041), (15, 1444694), (17, 1274730), (30, 722347), (34, 637365), (51, 424910), (85, 254946), (102, 212455), (170, 127473), (255, 84982), (510, 42491)]