21146844

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4507}}^1$

素因数の和:4554

約数の個数: 48

約数和(自身を含む): 54528768

約数和(自身を除く): 33381924

約数列:

[1, 2, 3, 4, 6, 12, 17, 23, 34, 46, 51, 68, 69, 92, 102, 138, 204, 276, 391, 782, 1173, 1564, 2346, 4507, 4692, 9014, 13521, 18028, 27042, 54084, 76619, 103661, 153238, 207322, 229857, 306476, 310983, 414644, 459714, 621966, 919428, 1243932, 1762237, 3524474, 5286711, 7048948, 10573422, 21146844]

約数ペア:

[(1, 21146844), (2, 10573422), (3, 7048948), (4, 5286711), (6, 3524474), (12, 1762237), (17, 1243932), (23, 919428), (34, 621966), (46, 459714), (51, 414644), (68, 310983), (69, 306476), (92, 229857), (102, 207322), (138, 153238), (204, 103661), (276, 76619), (391, 54084), (782, 27042), (1173, 18028), (1564, 13521), (2346, 9014), (4507, 4692)]