21650328

素因数分解:

$2^3\times 3^5\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:108

約数の個数: 192

約数和(自身を含む): 73032960

約数和(自身を除く): 51382632

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 37, 42, 43, 54, 56, 63, 72, 74, 81, 84, 86, 108, 111, 126, 129, 148, 162, 168, 172, 189, 216, 222, 243, 252, 258, 259, 296, 301, 324, 333, 344, 378, 387, 444, 486, 504, 516, 518, 567, 602, 648, 666, 756, 774, 777, 888, 903, 972, 999, 1032, 1036, 1134, 1161, 1204, 1332, 1512, 1548, 1554, 1591, 1701, 1806, 1944, 1998, 2072, 2268, 2322, 2331, 2408, 2664, 2709, 2997, 3096, 3108, 3182, 3402, 3483, 3612, 3996, 4536, 4644, 4662, 4773, 5418, 5994, 6216, 6364, 6804, 6966, 6993, 7224, 7992, 8127, 8991, 9288, 9324, 9546, 10449, 10836, 11137, 11988, 12728, 13608, 13932, 13986, 14319, 16254, 17982, 18648, 19092, 20898, 20979, 21672, 22274, 23976, 24381, 27864, 27972, 28638, 32508, 33411, 35964, 38184, 41796, 41958, 42957, 44548, 48762, 55944, 57276, 62937, 65016, 66822, 71928, 73143, 83592, 83916, 85914, 89096, 97524, 100233, 114552, 125874, 128871, 133644, 146286, 167832, 171828, 195048, 200466, 251748, 257742, 267288, 292572, 300699, 343656, 386613, 400932, 503496, 515484, 585144, 601398, 773226, 801864, 902097, 1030968, 1202796, 1546452, 1804194, 2405592, 2706291, 3092904, 3608388, 5412582, 7216776, 10825164, 21650328]

約数ペア:

[(1, 21650328), (2, 10825164), (3, 7216776), (4, 5412582), (6, 3608388), (7, 3092904), (8, 2706291), (9, 2405592), (12, 1804194), (14, 1546452), (18, 1202796), (21, 1030968), (24, 902097), (27, 801864), (28, 773226), (36, 601398), (37, 585144), (42, 515484), (43, 503496), (54, 400932), (56, 386613), (63, 343656), (72, 300699), (74, 292572), (81, 267288), (84, 257742), (86, 251748), (108, 200466), (111, 195048), (126, 171828), (129, 167832), (148, 146286), (162, 133644), (168, 128871), (172, 125874), (189, 114552), (216, 100233), (222, 97524), (243, 89096), (252, 85914), (258, 83916), (259, 83592), (296, 73143), (301, 71928), (324, 66822), (333, 65016), (344, 62937), (378, 57276), (387, 55944), (444, 48762), (486, 44548), (504, 42957), (516, 41958), (518, 41796), (567, 38184), (602, 35964), (648, 33411), (666, 32508), (756, 28638), (774, 27972), (777, 27864), (888, 24381), (903, 23976), (972, 22274), (999, 21672), (1032, 20979), (1036, 20898), (1134, 19092), (1161, 18648), (1204, 17982), (1332, 16254), (1512, 14319), (1548, 13986), (1554, 13932), (1591, 13608), (1701, 12728), (1806, 11988), (1944, 11137), (1998, 10836), (2072, 10449), (2268, 9546), (2322, 9324), (2331, 9288), (2408, 8991), (2664, 8127), (2709, 7992), (2997, 7224), (3096, 6993), (3108, 6966), (3182, 6804), (3402, 6364), (3483, 6216), (3612, 5994), (3996, 5418), (4536, 4773), (4644, 4662)]