21324528

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:343

約数の個数: 120

約数和(自身を含む): 65460096

約数和(自身を除く): 44135568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 31, 34, 36, 48, 51, 62, 68, 72, 93, 102, 124, 136, 144, 153, 186, 204, 248, 272, 279, 281, 306, 372, 408, 496, 527, 558, 562, 612, 744, 816, 843, 1054, 1116, 1124, 1224, 1488, 1581, 1686, 2108, 2232, 2248, 2448, 2529, 3162, 3372, 4216, 4464, 4496, 4743, 4777, 5058, 6324, 6744, 8432, 8711, 9486, 9554, 10116, 12648, 13488, 14331, 17422, 18972, 19108, 20232, 25296, 26133, 28662, 34844, 37944, 38216, 40464, 42993, 52266, 57324, 69688, 75888, 76432, 78399, 85986, 104532, 114648, 139376, 148087, 156798, 171972, 209064, 229296, 296174, 313596, 343944, 418128, 444261, 592348, 627192, 687888, 888522, 1184696, 1254384, 1332783, 1777044, 2369392, 2665566, 3554088, 5331132, 7108176, 10662264, 21324528]

約数ペア:

[(1, 21324528), (2, 10662264), (3, 7108176), (4, 5331132), (6, 3554088), (8, 2665566), (9, 2369392), (12, 1777044), (16, 1332783), (17, 1254384), (18, 1184696), (24, 888522), (31, 687888), (34, 627192), (36, 592348), (48, 444261), (51, 418128), (62, 343944), (68, 313596), (72, 296174), (93, 229296), (102, 209064), (124, 171972), (136, 156798), (144, 148087), (153, 139376), (186, 114648), (204, 104532), (248, 85986), (272, 78399), (279, 76432), (281, 75888), (306, 69688), (372, 57324), (408, 52266), (496, 42993), (527, 40464), (558, 38216), (562, 37944), (612, 34844), (744, 28662), (816, 26133), (843, 25296), (1054, 20232), (1116, 19108), (1124, 18972), (1224, 17422), (1488, 14331), (1581, 13488), (1686, 12648), (2108, 10116), (2232, 9554), (2248, 9486), (2448, 8711), (2529, 8432), (3162, 6744), (3372, 6324), (4216, 5058), (4464, 4777), (4496, 4743)]