21373992

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{12907}}^1$

素因数の和:12942

約数の個数: 48

約数和(自身を含む): 60409440

約数和(自身を除く): 39035448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 12907, 25814, 38721, 51628, 77442, 103256, 116163, 154884, 232326, 296861, 309768, 464652, 593722, 890583, 929304, 1187444, 1781166, 2374888, 2671749, 3562332, 5343498, 7124664, 10686996, 21373992]

約数ペア:

[(1, 21373992), (2, 10686996), (3, 7124664), (4, 5343498), (6, 3562332), (8, 2671749), (9, 2374888), (12, 1781166), (18, 1187444), (23, 929304), (24, 890583), (36, 593722), (46, 464652), (69, 309768), (72, 296861), (92, 232326), (138, 154884), (184, 116163), (207, 103256), (276, 77442), (414, 51628), (552, 38721), (828, 25814), (1656, 12907)]