21497724

素因数分解:

$2^2\times 3^5\times {\mathrm{17}}^1\times {\mathrm{1301}}^1$

素因数の和:1337

約数の個数: 72

約数和(自身を含む): 59714928

約数和(自身を除く): 38217204

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 81, 102, 108, 153, 162, 204, 243, 306, 324, 459, 486, 612, 918, 972, 1301, 1377, 1836, 2602, 2754, 3903, 4131, 5204, 5508, 7806, 8262, 11709, 15612, 16524, 22117, 23418, 35127, 44234, 46836, 66351, 70254, 88468, 105381, 132702, 140508, 199053, 210762, 265404, 316143, 398106, 421524, 597159, 632286, 796212, 1194318, 1264572, 1791477, 2388636, 3582954, 5374431, 7165908, 10748862, 21497724]

約数ペア:

[(1, 21497724), (2, 10748862), (3, 7165908), (4, 5374431), (6, 3582954), (9, 2388636), (12, 1791477), (17, 1264572), (18, 1194318), (27, 796212), (34, 632286), (36, 597159), (51, 421524), (54, 398106), (68, 316143), (81, 265404), (102, 210762), (108, 199053), (153, 140508), (162, 132702), (204, 105381), (243, 88468), (306, 70254), (324, 66351), (459, 46836), (486, 44234), (612, 35127), (918, 23418), (972, 22117), (1301, 16524), (1377, 15612), (1836, 11709), (2602, 8262), (2754, 7806), (3903, 5508), (4131, 5204)]