21077568

素因数分解:

$2^6\times 3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 168

約数和(自身を含む): 66251328

約数和(自身を除く): 45173760

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 37, 43, 46, 48, 64, 69, 72, 74, 86, 92, 96, 111, 129, 138, 144, 148, 172, 184, 192, 207, 222, 258, 276, 288, 296, 333, 344, 368, 387, 414, 444, 516, 552, 576, 592, 666, 688, 736, 774, 828, 851, 888, 989, 1032, 1104, 1184, 1332, 1376, 1472, 1548, 1591, 1656, 1702, 1776, 1978, 2064, 2208, 2368, 2553, 2664, 2752, 2967, 3096, 3182, 3312, 3404, 3552, 3956, 4128, 4416, 4773, 5106, 5328, 5934, 6192, 6364, 6624, 6808, 7104, 7659, 7912, 8256, 8901, 9546, 10212, 10656, 11868, 12384, 12728, 13248, 13616, 14319, 15318, 15824, 17802, 19092, 20424, 21312, 23736, 24768, 25456, 27232, 28638, 30636, 31648, 35604, 36593, 38184, 40848, 47472, 50912, 54464, 57276, 61272, 63296, 71208, 73186, 76368, 81696, 94944, 101824, 109779, 114552, 122544, 142416, 146372, 152736, 163392, 189888, 219558, 229104, 245088, 284832, 292744, 305472, 329337, 439116, 458208, 490176, 569664, 585488, 658674, 878232, 916416, 1170976, 1317348, 1756464, 2341952, 2634696, 3512928, 5269392, 7025856, 10538784, 21077568]

約数ペア:

[(1, 21077568), (2, 10538784), (3, 7025856), (4, 5269392), (6, 3512928), (8, 2634696), (9, 2341952), (12, 1756464), (16, 1317348), (18, 1170976), (23, 916416), (24, 878232), (32, 658674), (36, 585488), (37, 569664), (43, 490176), (46, 458208), (48, 439116), (64, 329337), (69, 305472), (72, 292744), (74, 284832), (86, 245088), (92, 229104), (96, 219558), (111, 189888), (129, 163392), (138, 152736), (144, 146372), (148, 142416), (172, 122544), (184, 114552), (192, 109779), (207, 101824), (222, 94944), (258, 81696), (276, 76368), (288, 73186), (296, 71208), (333, 63296), (344, 61272), (368, 57276), (387, 54464), (414, 50912), (444, 47472), (516, 40848), (552, 38184), (576, 36593), (592, 35604), (666, 31648), (688, 30636), (736, 28638), (774, 27232), (828, 25456), (851, 24768), (888, 23736), (989, 21312), (1032, 20424), (1104, 19092), (1184, 17802), (1332, 15824), (1376, 15318), (1472, 14319), (1548, 13616), (1591, 13248), (1656, 12728), (1702, 12384), (1776, 11868), (1978, 10656), (2064, 10212), (2208, 9546), (2368, 8901), (2553, 8256), (2664, 7912), (2752, 7659), (2967, 7104), (3096, 6808), (3182, 6624), (3312, 6364), (3404, 6192), (3552, 5934), (3956, 5328), (4128, 5106), (4416, 4773)]