21661230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42473}}^1$

素因数の和:42500

約数の個数: 32

約数和(自身を含む): 55046304

約数和(自身を除く): 33385074

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 42473, 84946, 127419, 212365, 254838, 424730, 637095, 722041, 1274190, 1444082, 2166123, 3610205, 4332246, 7220410, 10830615, 21661230]

約数ペア:

[(1, 21661230), (2, 10830615), (3, 7220410), (5, 4332246), (6, 3610205), (10, 2166123), (15, 1444082), (17, 1274190), (30, 722041), (34, 637095), (51, 424730), (85, 254838), (102, 212365), (170, 127419), (255, 84946), (510, 42473)]