21124400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4801}}^1$

素因数の和:4830

約数の個数: 60

約数和(自身を含む): 55376664

約数和(自身を除く): 34252264

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 4801, 9602, 19204, 24005, 38408, 48010, 52811, 76816, 96020, 105622, 120025, 192040, 211244, 240050, 264055, 384080, 422488, 480100, 528110, 844976, 960200, 1056220, 1320275, 1920400, 2112440, 2640550, 4224880, 5281100, 10562200, 21124400]

約数ペア:

[(1, 21124400), (2, 10562200), (4, 5281100), (5, 4224880), (8, 2640550), (10, 2112440), (11, 1920400), (16, 1320275), (20, 1056220), (22, 960200), (25, 844976), (40, 528110), (44, 480100), (50, 422488), (55, 384080), (80, 264055), (88, 240050), (100, 211244), (110, 192040), (176, 120025), (200, 105622), (220, 96020), (275, 76816), (400, 52811), (440, 48010), (550, 38408), (880, 24005), (1100, 19204), (2200, 9602), (4400, 4801)]