21343968

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^1\times {\mathrm{2003}}^1$

素因数の和:2056

約数の個数: 72

約数和(自身を含む): 62368488

約数和(自身を除く): 41024520

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 72, 74, 96, 111, 144, 148, 222, 288, 296, 333, 444, 592, 666, 888, 1184, 1332, 1776, 2003, 2664, 3552, 4006, 5328, 6009, 8012, 10656, 12018, 16024, 18027, 24036, 32048, 36054, 48072, 64096, 72108, 74111, 96144, 144216, 148222, 192288, 222333, 288432, 296444, 444666, 576864, 592888, 666999, 889332, 1185776, 1333998, 1778664, 2371552, 2667996, 3557328, 5335992, 7114656, 10671984, 21343968]

約数ペア:

[(1, 21343968), (2, 10671984), (3, 7114656), (4, 5335992), (6, 3557328), (8, 2667996), (9, 2371552), (12, 1778664), (16, 1333998), (18, 1185776), (24, 889332), (32, 666999), (36, 592888), (37, 576864), (48, 444666), (72, 296444), (74, 288432), (96, 222333), (111, 192288), (144, 148222), (148, 144216), (222, 96144), (288, 74111), (296, 72108), (333, 64096), (444, 48072), (592, 36054), (666, 32048), (888, 24036), (1184, 18027), (1332, 16024), (1776, 12018), (2003, 10656), (2664, 8012), (3552, 6009), (4006, 5328)]