21210696

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:116

約数の個数: 192

約数和(自身を含む): 69189120

約数和(自身を除く): 47978424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 24, 26, 31, 34, 36, 39, 43, 51, 52, 62, 68, 72, 78, 86, 93, 102, 104, 117, 124, 129, 136, 153, 156, 172, 186, 204, 221, 234, 248, 258, 279, 306, 312, 344, 372, 387, 403, 408, 442, 468, 516, 527, 558, 559, 612, 663, 731, 744, 774, 806, 884, 936, 1032, 1054, 1116, 1118, 1209, 1224, 1326, 1333, 1462, 1548, 1581, 1612, 1677, 1768, 1989, 2108, 2193, 2232, 2236, 2418, 2652, 2666, 2924, 3096, 3162, 3224, 3354, 3627, 3978, 3999, 4216, 4386, 4472, 4743, 4836, 5031, 5304, 5332, 5848, 6324, 6579, 6708, 6851, 7254, 7956, 7998, 8772, 9486, 9503, 9672, 10062, 10664, 11997, 12648, 13158, 13416, 13702, 14508, 15912, 15996, 17329, 17544, 18972, 19006, 20124, 20553, 22661, 23994, 26316, 27404, 28509, 29016, 31992, 34658, 37944, 38012, 40248, 41106, 45322, 47988, 51987, 52632, 54808, 57018, 61659, 67983, 69316, 76024, 82212, 85527, 90644, 95976, 103974, 114036, 123318, 135966, 138632, 155961, 164424, 171054, 181288, 203949, 207948, 228072, 246636, 271932, 294593, 311922, 342108, 407898, 415896, 493272, 543864, 589186, 623844, 684216, 815796, 883779, 1178372, 1247688, 1631592, 1767558, 2356744, 2651337, 3535116, 5302674, 7070232, 10605348, 21210696]

約数ペア:

[(1, 21210696), (2, 10605348), (3, 7070232), (4, 5302674), (6, 3535116), (8, 2651337), (9, 2356744), (12, 1767558), (13, 1631592), (17, 1247688), (18, 1178372), (24, 883779), (26, 815796), (31, 684216), (34, 623844), (36, 589186), (39, 543864), (43, 493272), (51, 415896), (52, 407898), (62, 342108), (68, 311922), (72, 294593), (78, 271932), (86, 246636), (93, 228072), (102, 207948), (104, 203949), (117, 181288), (124, 171054), (129, 164424), (136, 155961), (153, 138632), (156, 135966), (172, 123318), (186, 114036), (204, 103974), (221, 95976), (234, 90644), (248, 85527), (258, 82212), (279, 76024), (306, 69316), (312, 67983), (344, 61659), (372, 57018), (387, 54808), (403, 52632), (408, 51987), (442, 47988), (468, 45322), (516, 41106), (527, 40248), (558, 38012), (559, 37944), (612, 34658), (663, 31992), (731, 29016), (744, 28509), (774, 27404), (806, 26316), (884, 23994), (936, 22661), (1032, 20553), (1054, 20124), (1116, 19006), (1118, 18972), (1209, 17544), (1224, 17329), (1326, 15996), (1333, 15912), (1462, 14508), (1548, 13702), (1581, 13416), (1612, 13158), (1677, 12648), (1768, 11997), (1989, 10664), (2108, 10062), (2193, 9672), (2232, 9503), (2236, 9486), (2418, 8772), (2652, 7998), (2666, 7956), (2924, 7254), (3096, 6851), (3162, 6708), (3224, 6579), (3354, 6324), (3627, 5848), (3978, 5332), (3999, 5304), (4216, 5031), (4386, 4836), (4472, 4743)]