21072325968

素因数分解:

$2^4\times 3^2\times {\mathrm{53}}^1\times {\mathrm{557}}^1\times {\mathrm{4957}}^1$

素因数の和:5581

約数の個数: 120

約数和(自身を含む): 60205965768

約数和(自身を除く): 39133639800

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 53, 72, 106, 144, 159, 212, 318, 424, 477, 557, 636, 848, 954, 1114, 1272, 1671, 1908, 2228, 2544, 3342, 3816, 4456, 4957, 5013, 6684, 7632, 8912, 9914, 10026, 13368, 14871, 19828, 20052, 26736, 29521, 29742, 39656, 40104, 44613, 59042, 59484, 79312, 80208, 88563, 89226, 118084, 118968, 177126, 178452, 236168, 237936, 262721, 265689, 354252, 356904, 472336, 525442, 531378, 708504, 713808, 788163, 1050884, 1062756, 1417008, 1576326, 2101768, 2125512, 2364489, 2761049, 3152652, 4203536, 4251024, 4728978, 5522098, 6305304, 8283147, 9457956, 11044196, 12610608, 16566294, 18915912, 22088392, 24849441, 33132588, 37831824, 44176784, 49698882, 66265176, 99397764, 132530352, 146335597, 198795528, 292671194, 397591056, 439006791, 585342388, 878013582, 1170684776, 1317020373, 1756027164, 2341369552, 2634040746, 3512054328, 5268081492, 7024108656, 10536162984, 21072325968]

約数ペア:

[(1, 21072325968), (2, 10536162984), (3, 7024108656), (4, 5268081492), (6, 3512054328), (8, 2634040746), (9, 2341369552), (12, 1756027164), (16, 1317020373), (18, 1170684776), (24, 878013582), (36, 585342388), (48, 439006791), (53, 397591056), (72, 292671194), (106, 198795528), (144, 146335597), (159, 132530352), (212, 99397764), (318, 66265176), (424, 49698882), (477, 44176784), (557, 37831824), (636, 33132588), (848, 24849441), (954, 22088392), (1114, 18915912), (1272, 16566294), (1671, 12610608), (1908, 11044196), (2228, 9457956), (2544, 8283147), (3342, 6305304), (3816, 5522098), (4456, 4728978), (4957, 4251024), (5013, 4203536), (6684, 3152652), (7632, 2761049), (8912, 2364489), (9914, 2125512), (10026, 2101768), (13368, 1576326), (14871, 1417008), (19828, 1062756), (20052, 1050884), (26736, 788163), (29521, 713808), (29742, 708504), (39656, 531378), (40104, 525442), (44613, 472336), (59042, 356904), (59484, 354252), (79312, 265689), (80208, 262721), (88563, 237936), (89226, 236168), (118084, 178452), (118968, 177126)]