21200032

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:162

約数の個数: 96

約数和(自身を含む): 51093504

約数和(自身を除く): 29893472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 43, 56, 62, 71, 86, 112, 124, 142, 172, 217, 224, 248, 284, 301, 344, 434, 496, 497, 568, 602, 688, 868, 992, 994, 1136, 1204, 1333, 1376, 1736, 1988, 2201, 2272, 2408, 2666, 3053, 3472, 3976, 4402, 4816, 5332, 6106, 6944, 7952, 8804, 9331, 9632, 10664, 12212, 15407, 15904, 17608, 18662, 21328, 21371, 24424, 30814, 35216, 37324, 42656, 42742, 48848, 61628, 70432, 74648, 85484, 94643, 97696, 123256, 149296, 170968, 189286, 246512, 298592, 341936, 378572, 493024, 662501, 683872, 757144, 1325002, 1514288, 2650004, 3028576, 5300008, 10600016, 21200032]

約数ペア:

[(1, 21200032), (2, 10600016), (4, 5300008), (7, 3028576), (8, 2650004), (14, 1514288), (16, 1325002), (28, 757144), (31, 683872), (32, 662501), (43, 493024), (56, 378572), (62, 341936), (71, 298592), (86, 246512), (112, 189286), (124, 170968), (142, 149296), (172, 123256), (217, 97696), (224, 94643), (248, 85484), (284, 74648), (301, 70432), (344, 61628), (434, 48848), (496, 42742), (497, 42656), (568, 37324), (602, 35216), (688, 30814), (868, 24424), (992, 21371), (994, 21328), (1136, 18662), (1204, 17608), (1333, 15904), (1376, 15407), (1736, 12212), (1988, 10664), (2201, 9632), (2272, 9331), (2408, 8804), (2666, 7952), (3053, 6944), (3472, 6106), (3976, 5332), (4402, 4816)]