21236178

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 45757440

約数和(自身を除く): 24521262

約数列:

[1, 2, 3, 6, 29, 31, 58, 62, 87, 93, 127, 174, 186, 254, 381, 762, 899, 961, 1798, 1922, 2697, 2883, 3683, 3937, 5394, 5766, 7366, 7874, 11049, 11811, 22098, 23622, 27869, 55738, 83607, 114173, 122047, 167214, 228346, 244094, 342519, 366141, 685038, 732282, 3539363, 7078726, 10618089, 21236178]

約数ペア:

[(1, 21236178), (2, 10618089), (3, 7078726), (6, 3539363), (29, 732282), (31, 685038), (58, 366141), (62, 342519), (87, 244094), (93, 228346), (127, 167214), (174, 122047), (186, 114173), (254, 83607), (381, 55738), (762, 27869), (899, 23622), (961, 22098), (1798, 11811), (1922, 11049), (2697, 7874), (2883, 7366), (3683, 5766), (3937, 5394)]