21000918108

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{50291}}^1$

素因数の和:50427

約数の個数: 96

約数和(自身を含む): 54749882880

約数和(自身を除く): 33748964772

約数列:

[1, 2, 3, 4, 6, 12, 17, 23, 34, 46, 51, 68, 69, 89, 92, 102, 138, 178, 204, 267, 276, 356, 391, 534, 782, 1068, 1173, 1513, 1564, 2047, 2346, 3026, 4094, 4539, 4692, 6052, 6141, 8188, 9078, 12282, 18156, 24564, 34799, 50291, 69598, 100582, 104397, 139196, 150873, 201164, 208794, 301746, 417588, 603492, 854947, 1156693, 1709894, 2313386, 2564841, 3419788, 3470079, 4475899, 4626772, 5129682, 6940158, 8951798, 10259364, 13427697, 13880316, 17903596, 19663781, 26855394, 39327562, 53710788, 58991343, 76090283, 78655124, 102945677, 117982686, 152180566, 205891354, 228270849, 235965372, 304361132, 308837031, 411782708, 456541698, 617674062, 913083396, 1235348124, 1750076509, 3500153018, 5250229527, 7000306036, 10500459054, 21000918108]

約数ペア:

[(1, 21000918108), (2, 10500459054), (3, 7000306036), (4, 5250229527), (6, 3500153018), (12, 1750076509), (17, 1235348124), (23, 913083396), (34, 617674062), (46, 456541698), (51, 411782708), (68, 308837031), (69, 304361132), (89, 235965372), (92, 228270849), (102, 205891354), (138, 152180566), (178, 117982686), (204, 102945677), (267, 78655124), (276, 76090283), (356, 58991343), (391, 53710788), (534, 39327562), (782, 26855394), (1068, 19663781), (1173, 17903596), (1513, 13880316), (1564, 13427697), (2047, 10259364), (2346, 8951798), (3026, 6940158), (4094, 5129682), (4539, 4626772), (4692, 4475899), (6052, 3470079), (6141, 3419788), (8188, 2564841), (9078, 2313386), (12282, 1709894), (18156, 1156693), (24564, 854947), (34799, 603492), (50291, 417588), (69598, 301746), (100582, 208794), (104397, 201164), (139196, 150873)]