21739890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1061}}^1$

素因数の和:1754

約数の個数: 32

約数和(自身を含む): 52301376

約数和(自身を除く): 30561486

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 683, 1061, 1366, 2049, 2122, 3183, 3415, 4098, 5305, 6366, 6830, 10245, 10610, 15915, 20490, 31830, 724663, 1449326, 2173989, 3623315, 4347978, 7246630, 10869945, 21739890]

約数ペア:

[(1, 21739890), (2, 10869945), (3, 7246630), (5, 4347978), (6, 3623315), (10, 2173989), (15, 1449326), (30, 724663), (683, 31830), (1061, 20490), (1366, 15915), (2049, 10610), (2122, 10245), (3183, 6830), (3415, 6366), (4098, 5305)]