21088072212

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{141413}}^1$

素因数の和:141497

約数の個数: 72

約数和(自身を含む): 53486168736

約数和(自身を除く): 32398096524

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 43, 51, 68, 86, 102, 129, 172, 204, 258, 289, 516, 578, 731, 867, 1156, 1462, 1734, 2193, 2924, 3468, 4386, 8772, 12427, 24854, 37281, 49708, 74562, 141413, 149124, 282826, 424239, 565652, 848478, 1696956, 2404021, 4808042, 6080759, 7212063, 9616084, 12161518, 14424126, 18242277, 24323036, 28848252, 36484554, 40868357, 72969108, 81736714, 103372903, 122605071, 163473428, 206745806, 245210142, 310118709, 413491612, 490420284, 620237418, 1240474836, 1757339351, 3514678702, 5272018053, 7029357404, 10544036106, 21088072212]

約数ペア:

[(1, 21088072212), (2, 10544036106), (3, 7029357404), (4, 5272018053), (6, 3514678702), (12, 1757339351), (17, 1240474836), (34, 620237418), (43, 490420284), (51, 413491612), (68, 310118709), (86, 245210142), (102, 206745806), (129, 163473428), (172, 122605071), (204, 103372903), (258, 81736714), (289, 72969108), (516, 40868357), (578, 36484554), (731, 28848252), (867, 24323036), (1156, 18242277), (1462, 14424126), (1734, 12161518), (2193, 9616084), (2924, 7212063), (3468, 6080759), (4386, 4808042), (8772, 2404021), (12427, 1696956), (24854, 848478), (37281, 565652), (49708, 424239), (74562, 282826), (141413, 149124)]