21979134

素因数分解:

$2^1\times 3^3\times {\mathrm{191}}^1\times {\mathrm{2131}}^1$

素因数の和:2333

約数の個数: 32

約数和(自身を含む): 49121280

約数和(自身を除く): 27142146

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 191, 382, 573, 1146, 1719, 2131, 3438, 4262, 5157, 6393, 10314, 12786, 19179, 38358, 57537, 115074, 407021, 814042, 1221063, 2442126, 3663189, 7326378, 10989567, 21979134]

約数ペア:

[(1, 21979134), (2, 10989567), (3, 7326378), (6, 3663189), (9, 2442126), (18, 1221063), (27, 814042), (54, 407021), (191, 115074), (382, 57537), (573, 38358), (1146, 19179), (1719, 12786), (2131, 10314), (3438, 6393), (4262, 5157)]