21645036

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28631}}^1$

素因数の和:28651

約数の個数: 48

約数和(自身を含む): 64135680

約数和(自身を除く): 42490644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28631, 57262, 85893, 114524, 171786, 200417, 257679, 343572, 400834, 515358, 601251, 773037, 801668, 1030716, 1202502, 1546074, 1803753, 2405004, 3092148, 3607506, 5411259, 7215012, 10822518, 21645036]

約数ペア:

[(1, 21645036), (2, 10822518), (3, 7215012), (4, 5411259), (6, 3607506), (7, 3092148), (9, 2405004), (12, 1803753), (14, 1546074), (18, 1202502), (21, 1030716), (27, 801668), (28, 773037), (36, 601251), (42, 515358), (54, 400834), (63, 343572), (84, 257679), (108, 200417), (126, 171786), (189, 114524), (252, 85893), (378, 57262), (756, 28631)]