21456510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37643}}^1$

素因数の和:37672

約数の個数: 32

約数和(自身を含む): 54207360

約数和(自身を除く): 32750850

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 37643, 75286, 112929, 188215, 225858, 376430, 564645, 715217, 1129290, 1430434, 2145651, 3576085, 4291302, 7152170, 10728255, 21456510]

約数ペア:

[(1, 21456510), (2, 10728255), (3, 7152170), (5, 4291302), (6, 3576085), (10, 2145651), (15, 1430434), (19, 1129290), (30, 715217), (38, 564645), (57, 376430), (95, 225858), (114, 188215), (190, 112929), (285, 75286), (570, 37643)]