21725670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2087}}^1$

素因数の和:2444

約数の個数: 32

約数和(自身を含む): 52316928

約数和(自身を除く): 30591258

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 347, 694, 1041, 1735, 2082, 2087, 3470, 4174, 5205, 6261, 10410, 10435, 12522, 20870, 31305, 62610, 724189, 1448378, 2172567, 3620945, 4345134, 7241890, 10862835, 21725670]

約数ペア:

[(1, 21725670), (2, 10862835), (3, 7241890), (5, 4345134), (6, 3620945), (10, 2172567), (15, 1448378), (30, 724189), (347, 62610), (694, 31305), (1041, 20870), (1735, 12522), (2082, 10435), (2087, 10410), (3470, 6261), (4174, 5205)]