21365058

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{673}}^1$

素因数の和:739

約数の個数: 64

約数和(自身を含む): 51633792

約数和(自身を除く): 30268734

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 37, 39, 66, 74, 78, 111, 143, 222, 286, 407, 429, 481, 673, 814, 858, 962, 1221, 1346, 1443, 2019, 2442, 2886, 4038, 5291, 7403, 8749, 10582, 14806, 15873, 17498, 22209, 24901, 26247, 31746, 44418, 49802, 52494, 74703, 96239, 149406, 192478, 273911, 288717, 323713, 547822, 577434, 647426, 821733, 971139, 1643466, 1942278, 3560843, 7121686, 10682529, 21365058]

約数ペア:

[(1, 21365058), (2, 10682529), (3, 7121686), (6, 3560843), (11, 1942278), (13, 1643466), (22, 971139), (26, 821733), (33, 647426), (37, 577434), (39, 547822), (66, 323713), (74, 288717), (78, 273911), (111, 192478), (143, 149406), (222, 96239), (286, 74703), (407, 52494), (429, 49802), (481, 44418), (673, 31746), (814, 26247), (858, 24901), (962, 22209), (1221, 17498), (1346, 15873), (1443, 14806), (2019, 10582), (2442, 8749), (2886, 7403), (4038, 5291)]