21656130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42463}}^1$

素因数の和:42490

約数の個数: 32

約数和(自身を含む): 55033344

約数和(自身を除く): 33377214

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 42463, 84926, 127389, 212315, 254778, 424630, 636945, 721871, 1273890, 1443742, 2165613, 3609355, 4331226, 7218710, 10828065, 21656130]

約数ペア:

[(1, 21656130), (2, 10828065), (3, 7218710), (5, 4331226), (6, 3609355), (10, 2165613), (15, 1443742), (17, 1273890), (30, 721871), (34, 636945), (51, 424630), (85, 254778), (102, 212315), (170, 127389), (255, 84926), (510, 42463)]