21012829920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{4864081}}^1$

素因数の和:4864105

約数の個数: 96

約数和(自身を含む): 73544919840

約数和(自身を除く): 52532089920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 4864081, 9728162, 14592243, 19456324, 24320405, 29184486, 38912648, 43776729, 48640810, 58368972, 72961215, 77825296, 87553458, 97281620, 116737944, 131330187, 145922430, 155650592, 175106916, 194563240, 218883645, 233475888, 262660374, 291844860, 350213832, 389126480, 437767290, 466951776, 525320748, 583689720, 656650935, 700427664, 778252960, 875534580, 1050641496, 1167379440, 1313301870, 1400855328, 1751069160, 2101282992, 2334758880, 2626603740, 3502138320, 4202565984, 5253207480, 7004276640, 10506414960, 21012829920]

約数ペア:

[(1, 21012829920), (2, 10506414960), (3, 7004276640), (4, 5253207480), (5, 4202565984), (6, 3502138320), (8, 2626603740), (9, 2334758880), (10, 2101282992), (12, 1751069160), (15, 1400855328), (16, 1313301870), (18, 1167379440), (20, 1050641496), (24, 875534580), (27, 778252960), (30, 700427664), (32, 656650935), (36, 583689720), (40, 525320748), (45, 466951776), (48, 437767290), (54, 389126480), (60, 350213832), (72, 291844860), (80, 262660374), (90, 233475888), (96, 218883645), (108, 194563240), (120, 175106916), (135, 155650592), (144, 145922430), (160, 131330187), (180, 116737944), (216, 97281620), (240, 87553458), (270, 77825296), (288, 72961215), (360, 58368972), (432, 48640810), (480, 43776729), (540, 38912648), (720, 29184486), (864, 24320405), (1080, 19456324), (1440, 14592243), (2160, 9728162), (4320, 4864081)]