21872310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31699}}^1$

素因数の和:31732

約数の個数: 32

約数和(自身を含む): 54777600

約数和(自身を除く): 32905290

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 31699, 63398, 95097, 158495, 190194, 316990, 475485, 729077, 950970, 1458154, 2187231, 3645385, 4374462, 7290770, 10936155, 21872310]

約数ペア:

[(1, 21872310), (2, 10936155), (3, 7290770), (5, 4374462), (6, 3645385), (10, 2187231), (15, 1458154), (23, 950970), (30, 729077), (46, 475485), (69, 316990), (115, 190194), (138, 158495), (230, 95097), (345, 63398), (690, 31699)]