21356535

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{601}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 36062208

約数和(自身を除く): 14705673

約数列:

[1, 3, 5, 15, 23, 69, 103, 115, 309, 345, 515, 601, 1545, 1803, 2369, 3005, 7107, 9015, 11845, 13823, 35535, 41469, 61903, 69115, 185709, 207345, 309515, 928545, 1423769, 4271307, 7118845, 21356535]

約数ペア:

[(1, 21356535), (3, 7118845), (5, 4271307), (15, 1423769), (23, 928545), (69, 309515), (103, 207345), (115, 185709), (309, 69115), (345, 61903), (515, 41469), (601, 35535), (1545, 13823), (1803, 11845), (2369, 9015), (3005, 7107)]