21043336

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{829}}^1$

素因数の和:1021

約数の個数: 32

約数和(自身を含む): 41832000

約数和(自身を除く): 20788664

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 167, 334, 668, 829, 1336, 1658, 3173, 3316, 6346, 6632, 12692, 15751, 25384, 31502, 63004, 126008, 138443, 276886, 553772, 1107544, 2630417, 5260834, 10521668, 21043336]

約数ペア:

[(1, 21043336), (2, 10521668), (4, 5260834), (8, 2630417), (19, 1107544), (38, 553772), (76, 276886), (152, 138443), (167, 126008), (334, 63004), (668, 31502), (829, 25384), (1336, 15751), (1658, 12692), (3173, 6632), (3316, 6346)]