21259590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2801}}^1$

素因数の和:2845

約数の個数: 64

約数和(自身を含む): 58102272

約数和(自身を除く): 36842682

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 46, 55, 66, 69, 110, 115, 138, 165, 230, 253, 330, 345, 506, 690, 759, 1265, 1518, 2530, 2801, 3795, 5602, 7590, 8403, 14005, 16806, 28010, 30811, 42015, 61622, 64423, 84030, 92433, 128846, 154055, 184866, 193269, 308110, 322115, 386538, 462165, 644230, 708653, 924330, 966345, 1417306, 1932690, 2125959, 3543265, 4251918, 7086530, 10629795, 21259590]

約数ペア:

[(1, 21259590), (2, 10629795), (3, 7086530), (5, 4251918), (6, 3543265), (10, 2125959), (11, 1932690), (15, 1417306), (22, 966345), (23, 924330), (30, 708653), (33, 644230), (46, 462165), (55, 386538), (66, 322115), (69, 308110), (110, 193269), (115, 184866), (138, 154055), (165, 128846), (230, 92433), (253, 84030), (330, 64423), (345, 61622), (506, 42015), (690, 30811), (759, 28010), (1265, 16806), (1518, 14005), (2530, 8403), (2801, 7590), (3795, 5602)]