210819978

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{509227}}^1$

素因数の和:509258

約数の個数: 24

約数和(自身を含む): 476637408

約数和(自身を除く): 265817430

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 509227, 1018454, 1527681, 3055362, 4583043, 9166086, 11712221, 23424442, 35136663, 70273326, 105409989, 210819978]

約数ペア:

[(1, 210819978), (2, 105409989), (3, 70273326), (6, 35136663), (9, 23424442), (18, 11712221), (23, 9166086), (46, 4583043), (69, 3055362), (138, 1527681), (207, 1018454), (414, 509227)]