21680130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4603}}^1$

素因数の和:4770

約数の個数: 32

約数和(自身を含む): 52375104

約数和(自身を除く): 30694974

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 157, 314, 471, 785, 942, 1570, 2355, 4603, 4710, 9206, 13809, 23015, 27618, 46030, 69045, 138090, 722671, 1445342, 2168013, 3613355, 4336026, 7226710, 10840065, 21680130]

約数ペア:

[(1, 21680130), (2, 10840065), (3, 7226710), (5, 4336026), (6, 3613355), (10, 2168013), (15, 1445342), (30, 722671), (157, 138090), (314, 69045), (471, 46030), (785, 27618), (942, 23015), (1570, 13809), (2355, 9206), (4603, 4710)]