21308198220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^2\times {\mathrm{1879}}^1$

素因数の和:2396

約数の個数: 108

約数和(自身を含む): 64927939440

約数和(自身を除く): 43619741220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 1004, 1255, 1506, 1879, 2259, 2510, 3012, 3758, 3765, 4518, 5020, 5637, 7516, 7530, 9036, 9395, 11274, 11295, 15060, 16911, 18790, 22548, 22590, 28185, 33822, 37580, 45180, 56370, 63001, 67644, 84555, 112740, 126002, 169110, 189003, 252004, 315005, 338220, 378006, 471629, 567009, 630010, 756012, 943258, 945015, 1134018, 1260020, 1414887, 1886516, 1890030, 2268036, 2358145, 2829774, 2835045, 3780060, 4244661, 4716290, 5659548, 5670090, 7074435, 8489322, 9432580, 11340180, 14148870, 16978644, 21223305, 28297740, 42446610, 84893220, 118378879, 236757758, 355136637, 473515516, 591894395, 710273274, 1065409911, 1183788790, 1420546548, 1775683185, 2130819822, 2367577580, 3551366370, 4261639644, 5327049555, 7102732740, 10654099110, 21308198220]

約数ペア:

[(1, 21308198220), (2, 10654099110), (3, 7102732740), (4, 5327049555), (5, 4261639644), (6, 3551366370), (9, 2367577580), (10, 2130819822), (12, 1775683185), (15, 1420546548), (18, 1183788790), (20, 1065409911), (30, 710273274), (36, 591894395), (45, 473515516), (60, 355136637), (90, 236757758), (180, 118378879), (251, 84893220), (502, 42446610), (753, 28297740), (1004, 21223305), (1255, 16978644), (1506, 14148870), (1879, 11340180), (2259, 9432580), (2510, 8489322), (3012, 7074435), (3758, 5670090), (3765, 5659548), (4518, 4716290), (5020, 4244661), (5637, 3780060), (7516, 2835045), (7530, 2829774), (9036, 2358145), (9395, 2268036), (11274, 1890030), (11295, 1886516), (15060, 1414887), (16911, 1260020), (18790, 1134018), (22548, 945015), (22590, 943258), (28185, 756012), (33822, 630010), (37580, 567009), (45180, 471629), (56370, 378006), (63001, 338220), (67644, 315005), (84555, 252004), (112740, 189003), (126002, 169110)]