21044670960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1109951}}^1$

素因数の和:1110046

約数の個数: 80

約数和(自身を含む): 66064343040

約数和(自身を除く): 45019672080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 1185, 1264, 1580, 1896, 2370, 3160, 3792, 4740, 6320, 9480, 18960, 1109951, 2219902, 3329853, 4439804, 5549755, 6659706, 8879608, 11099510, 13319412, 16649265, 17759216, 22199020, 26638824, 33298530, 44398040, 53277648, 66597060, 87686129, 88796080, 133194120, 175372258, 263058387, 266388240, 350744516, 438430645, 526116774, 701489032, 876861290, 1052233548, 1315291935, 1402978064, 1753722580, 2104467096, 2630583870, 3507445160, 4208934192, 5261167740, 7014890320, 10522335480, 21044670960]

約数ペア:

[(1, 21044670960), (2, 10522335480), (3, 7014890320), (4, 5261167740), (5, 4208934192), (6, 3507445160), (8, 2630583870), (10, 2104467096), (12, 1753722580), (15, 1402978064), (16, 1315291935), (20, 1052233548), (24, 876861290), (30, 701489032), (40, 526116774), (48, 438430645), (60, 350744516), (79, 266388240), (80, 263058387), (120, 175372258), (158, 133194120), (237, 88796080), (240, 87686129), (316, 66597060), (395, 53277648), (474, 44398040), (632, 33298530), (790, 26638824), (948, 22199020), (1185, 17759216), (1264, 16649265), (1580, 13319412), (1896, 11099510), (2370, 8879608), (3160, 6659706), (3792, 5549755), (4740, 4439804), (6320, 3329853), (9480, 2219902), (18960, 1109951)]