21938688

素因数分解:

$2^9\times 3^4\times {\mathrm{23}}^2$

素因数の和:76

約数の個数: 150

約数和(自身を含む): 68451999

約数和(自身を除く): 46513311

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 81, 92, 96, 108, 128, 138, 144, 162, 184, 192, 207, 216, 256, 276, 288, 324, 368, 384, 414, 432, 512, 529, 552, 576, 621, 648, 736, 768, 828, 864, 1058, 1104, 1152, 1242, 1296, 1472, 1536, 1587, 1656, 1728, 1863, 2116, 2208, 2304, 2484, 2592, 2944, 3174, 3312, 3456, 3726, 4232, 4416, 4608, 4761, 4968, 5184, 5888, 6348, 6624, 6912, 7452, 8464, 8832, 9522, 9936, 10368, 11776, 12696, 13248, 13824, 14283, 14904, 16928, 17664, 19044, 19872, 20736, 25392, 26496, 28566, 29808, 33856, 35328, 38088, 39744, 41472, 42849, 50784, 52992, 57132, 59616, 67712, 76176, 79488, 85698, 101568, 105984, 114264, 119232, 135424, 152352, 158976, 171396, 203136, 228528, 238464, 270848, 304704, 317952, 342792, 406272, 457056, 476928, 609408, 685584, 812544, 914112, 953856, 1218816, 1371168, 1828224, 2437632, 2742336, 3656448, 5484672, 7312896, 10969344, 21938688]

約数ペア:

[(1, 21938688), (2, 10969344), (3, 7312896), (4, 5484672), (6, 3656448), (8, 2742336), (9, 2437632), (12, 1828224), (16, 1371168), (18, 1218816), (23, 953856), (24, 914112), (27, 812544), (32, 685584), (36, 609408), (46, 476928), (48, 457056), (54, 406272), (64, 342792), (69, 317952), (72, 304704), (81, 270848), (92, 238464), (96, 228528), (108, 203136), (128, 171396), (138, 158976), (144, 152352), (162, 135424), (184, 119232), (192, 114264), (207, 105984), (216, 101568), (256, 85698), (276, 79488), (288, 76176), (324, 67712), (368, 59616), (384, 57132), (414, 52992), (432, 50784), (512, 42849), (529, 41472), (552, 39744), (576, 38088), (621, 35328), (648, 33856), (736, 29808), (768, 28566), (828, 26496), (864, 25392), (1058, 20736), (1104, 19872), (1152, 19044), (1242, 17664), (1296, 16928), (1472, 14904), (1536, 14283), (1587, 13824), (1656, 13248), (1728, 12696), (1863, 11776), (2116, 10368), (2208, 9936), (2304, 9522), (2484, 8832), (2592, 8464), (2944, 7452), (3174, 6912), (3312, 6624), (3456, 6348), (3726, 5888), (4232, 5184), (4416, 4968), (4608, 4761)]