21169872

素因数分解:

$2^4\times 3^2\times {\mathrm{113}}^1\times {\mathrm{1301}}^1$

素因数の和:1428

約数の個数: 60

約数和(自身を含む): 59816484

約数和(自身を除く): 38646612

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 113, 144, 226, 339, 452, 678, 904, 1017, 1301, 1356, 1808, 2034, 2602, 2712, 3903, 4068, 5204, 5424, 7806, 8136, 10408, 11709, 15612, 16272, 20816, 23418, 31224, 46836, 62448, 93672, 147013, 187344, 294026, 441039, 588052, 882078, 1176104, 1323117, 1764156, 2352208, 2646234, 3528312, 5292468, 7056624, 10584936, 21169872]

約数ペア:

[(1, 21169872), (2, 10584936), (3, 7056624), (4, 5292468), (6, 3528312), (8, 2646234), (9, 2352208), (12, 1764156), (16, 1323117), (18, 1176104), (24, 882078), (36, 588052), (48, 441039), (72, 294026), (113, 187344), (144, 147013), (226, 93672), (339, 62448), (452, 46836), (678, 31224), (904, 23418), (1017, 20816), (1301, 16272), (1356, 15612), (1808, 11709), (2034, 10408), (2602, 8136), (2712, 7806), (3903, 5424), (4068, 5204)]