21775986

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 51321600

約数和(自身を除く): 29545614

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 89, 138, 178, 197, 207, 267, 394, 414, 534, 591, 621, 801, 1182, 1242, 1602, 1773, 2047, 2403, 3546, 4094, 4531, 4806, 5319, 6141, 9062, 10638, 12282, 13593, 17533, 18423, 27186, 35066, 36846, 40779, 52599, 55269, 81558, 105198, 110538, 122337, 157797, 244674, 315594, 403259, 473391, 806518, 946782, 1209777, 2419554, 3629331, 7258662, 10887993, 21775986]

約数ペア:

[(1, 21775986), (2, 10887993), (3, 7258662), (6, 3629331), (9, 2419554), (18, 1209777), (23, 946782), (27, 806518), (46, 473391), (54, 403259), (69, 315594), (89, 244674), (138, 157797), (178, 122337), (197, 110538), (207, 105198), (267, 81558), (394, 55269), (414, 52599), (534, 40779), (591, 36846), (621, 35066), (801, 27186), (1182, 18423), (1242, 17533), (1602, 13593), (1773, 12282), (2047, 10638), (2403, 9062), (3546, 6141), (4094, 5319), (4531, 4806)]