21005430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2237}}^1$

素因数の和:2560

約数の個数: 32

約数和(自身を含む): 50596704

約数和(自身を除く): 29591274

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 313, 626, 939, 1565, 1878, 2237, 3130, 4474, 4695, 6711, 9390, 11185, 13422, 22370, 33555, 67110, 700181, 1400362, 2100543, 3500905, 4201086, 7001810, 10502715, 21005430]

約数ペア:

[(1, 21005430), (2, 10502715), (3, 7001810), (5, 4201086), (6, 3500905), (10, 2100543), (15, 1400362), (30, 700181), (313, 67110), (626, 33555), (939, 22370), (1565, 13422), (1878, 11185), (2237, 9390), (3130, 6711), (4474, 4695)]