21018864

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^2\times {\mathrm{1213}}^1$

素因数の和:1262

約数の個数: 60

約数和(自身を含む): 57354216

約数和(自身を除く): 36335352

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 361, 456, 722, 912, 1083, 1213, 1444, 2166, 2426, 2888, 3639, 4332, 4852, 5776, 7278, 8664, 9704, 14556, 17328, 19408, 23047, 29112, 46094, 58224, 69141, 92188, 138282, 184376, 276564, 368752, 437893, 553128, 875786, 1106256, 1313679, 1751572, 2627358, 3503144, 5254716, 7006288, 10509432, 21018864]

約数ペア:

[(1, 21018864), (2, 10509432), (3, 7006288), (4, 5254716), (6, 3503144), (8, 2627358), (12, 1751572), (16, 1313679), (19, 1106256), (24, 875786), (38, 553128), (48, 437893), (57, 368752), (76, 276564), (114, 184376), (152, 138282), (228, 92188), (304, 69141), (361, 58224), (456, 46094), (722, 29112), (912, 23047), (1083, 19408), (1213, 17328), (1444, 14556), (2166, 9704), (2426, 8664), (2888, 7278), (3639, 5776), (4332, 4852)]