21247947984

素因数分解:

$2^4\times 3^1\times {\mathrm{67}}^1\times {\mathrm{373}}^1\times {\mathrm{17713}}^1$

素因数の和:18164

約数の個数: 80

約数和(自身を含む): 55862303552

約数和(自身を除く): 34614355568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 67, 134, 201, 268, 373, 402, 536, 746, 804, 1072, 1119, 1492, 1608, 2238, 2984, 3216, 4476, 5968, 8952, 17713, 17904, 24991, 35426, 49982, 53139, 70852, 74973, 99964, 106278, 141704, 149946, 199928, 212556, 283408, 299892, 399856, 425112, 599784, 850224, 1186771, 1199568, 2373542, 3560313, 4747084, 6606949, 7120626, 9494168, 13213898, 14241252, 18988336, 19820847, 26427796, 28482504, 39641694, 52855592, 56965008, 79283388, 105711184, 158566776, 317133552, 442665583, 885331166, 1327996749, 1770662332, 2655993498, 3541324664, 5311986996, 7082649328, 10623973992, 21247947984]

約数ペア:

[(1, 21247947984), (2, 10623973992), (3, 7082649328), (4, 5311986996), (6, 3541324664), (8, 2655993498), (12, 1770662332), (16, 1327996749), (24, 885331166), (48, 442665583), (67, 317133552), (134, 158566776), (201, 105711184), (268, 79283388), (373, 56965008), (402, 52855592), (536, 39641694), (746, 28482504), (804, 26427796), (1072, 19820847), (1119, 18988336), (1492, 14241252), (1608, 13213898), (2238, 9494168), (2984, 7120626), (3216, 6606949), (4476, 4747084), (5968, 3560313), (8952, 2373542), (17713, 1199568), (17904, 1186771), (24991, 850224), (35426, 599784), (49982, 425112), (53139, 399856), (70852, 299892), (74973, 283408), (99964, 212556), (106278, 199928), (141704, 149946)]