21528276

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1013}}^1$

素因数の和:1061

約数の個数: 96

約数和(自身を含む): 65415168

約数和(自身を除く): 43886892

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 23, 28, 33, 42, 44, 46, 66, 69, 77, 84, 92, 132, 138, 154, 161, 231, 253, 276, 308, 322, 462, 483, 506, 644, 759, 924, 966, 1012, 1013, 1518, 1771, 1932, 2026, 3036, 3039, 3542, 4052, 5313, 6078, 7084, 7091, 10626, 11143, 12156, 14182, 21252, 21273, 22286, 23299, 28364, 33429, 42546, 44572, 46598, 66858, 69897, 78001, 85092, 93196, 133716, 139794, 156002, 163093, 234003, 256289, 279588, 312004, 326186, 468006, 489279, 512578, 652372, 768867, 936012, 978558, 1025156, 1537734, 1794023, 1957116, 3075468, 3588046, 5382069, 7176092, 10764138, 21528276]

約数ペア:

[(1, 21528276), (2, 10764138), (3, 7176092), (4, 5382069), (6, 3588046), (7, 3075468), (11, 1957116), (12, 1794023), (14, 1537734), (21, 1025156), (22, 978558), (23, 936012), (28, 768867), (33, 652372), (42, 512578), (44, 489279), (46, 468006), (66, 326186), (69, 312004), (77, 279588), (84, 256289), (92, 234003), (132, 163093), (138, 156002), (154, 139794), (161, 133716), (231, 93196), (253, 85092), (276, 78001), (308, 69897), (322, 66858), (462, 46598), (483, 44572), (506, 42546), (644, 33429), (759, 28364), (924, 23299), (966, 22286), (1012, 21273), (1013, 21252), (1518, 14182), (1771, 12156), (1932, 11143), (2026, 10626), (3036, 7091), (3039, 7084), (3542, 6078), (4052, 5313)]