21163296

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1$

素因数の和:447

約数の個数: 144

約数和(自身を含む): 70670880

約数和(自身を除く): 49507584

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 49, 56, 66, 77, 84, 88, 96, 98, 112, 132, 147, 154, 168, 176, 196, 224, 231, 264, 294, 308, 336, 352, 392, 409, 462, 528, 539, 588, 616, 672, 784, 818, 924, 1056, 1078, 1176, 1227, 1232, 1568, 1617, 1636, 1848, 2156, 2352, 2454, 2464, 2863, 3234, 3272, 3696, 4312, 4499, 4704, 4908, 5726, 6468, 6544, 7392, 8589, 8624, 8998, 9816, 11452, 12936, 13088, 13497, 17178, 17248, 17996, 19632, 20041, 22904, 25872, 26994, 31493, 34356, 35992, 39264, 40082, 45808, 51744, 53988, 60123, 62986, 68712, 71984, 80164, 91616, 94479, 107976, 120246, 125972, 137424, 143968, 160328, 188958, 215952, 220451, 240492, 251944, 274848, 320656, 377916, 431904, 440902, 480984, 503888, 641312, 661353, 755832, 881804, 961968, 1007776, 1322706, 1511664, 1763608, 1923936, 2645412, 3023328, 3527216, 5290824, 7054432, 10581648, 21163296]

約数ペア:

[(1, 21163296), (2, 10581648), (3, 7054432), (4, 5290824), (6, 3527216), (7, 3023328), (8, 2645412), (11, 1923936), (12, 1763608), (14, 1511664), (16, 1322706), (21, 1007776), (22, 961968), (24, 881804), (28, 755832), (32, 661353), (33, 641312), (42, 503888), (44, 480984), (48, 440902), (49, 431904), (56, 377916), (66, 320656), (77, 274848), (84, 251944), (88, 240492), (96, 220451), (98, 215952), (112, 188958), (132, 160328), (147, 143968), (154, 137424), (168, 125972), (176, 120246), (196, 107976), (224, 94479), (231, 91616), (264, 80164), (294, 71984), (308, 68712), (336, 62986), (352, 60123), (392, 53988), (409, 51744), (462, 45808), (528, 40082), (539, 39264), (588, 35992), (616, 34356), (672, 31493), (784, 26994), (818, 25872), (924, 22904), (1056, 20041), (1078, 19632), (1176, 17996), (1227, 17248), (1232, 17178), (1568, 13497), (1617, 13088), (1636, 12936), (1848, 11452), (2156, 9816), (2352, 8998), (2454, 8624), (2464, 8589), (2863, 7392), (3234, 6544), (3272, 6468), (3696, 5726), (4312, 4908), (4499, 4704)]