21713328

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1657}}^1$

素因数の和:1691

約数の個数: 120

約数和(自身を含む): 74835488

約数和(自身を除く): 53122160

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 104, 112, 117, 126, 144, 156, 168, 182, 208, 234, 252, 273, 312, 336, 364, 468, 504, 546, 624, 728, 819, 936, 1008, 1092, 1456, 1638, 1657, 1872, 2184, 3276, 3314, 4368, 4971, 6552, 6628, 9942, 11599, 13104, 13256, 14913, 19884, 21541, 23198, 26512, 29826, 34797, 39768, 43082, 46396, 59652, 64623, 69594, 79536, 86164, 92792, 104391, 119304, 129246, 139188, 150787, 172328, 185584, 193869, 208782, 238608, 258492, 278376, 301574, 344656, 387738, 417564, 452361, 516984, 556752, 603148, 775476, 835128, 904722, 1033968, 1206296, 1357083, 1550952, 1670256, 1809444, 2412592, 2714166, 3101904, 3618888, 5428332, 7237776, 10856664, 21713328]

約数ペア:

[(1, 21713328), (2, 10856664), (3, 7237776), (4, 5428332), (6, 3618888), (7, 3101904), (8, 2714166), (9, 2412592), (12, 1809444), (13, 1670256), (14, 1550952), (16, 1357083), (18, 1206296), (21, 1033968), (24, 904722), (26, 835128), (28, 775476), (36, 603148), (39, 556752), (42, 516984), (48, 452361), (52, 417564), (56, 387738), (63, 344656), (72, 301574), (78, 278376), (84, 258492), (91, 238608), (104, 208782), (112, 193869), (117, 185584), (126, 172328), (144, 150787), (156, 139188), (168, 129246), (182, 119304), (208, 104391), (234, 92792), (252, 86164), (273, 79536), (312, 69594), (336, 64623), (364, 59652), (468, 46396), (504, 43082), (546, 39768), (624, 34797), (728, 29826), (819, 26512), (936, 23198), (1008, 21541), (1092, 19884), (1456, 14913), (1638, 13256), (1657, 13104), (1872, 11599), (2184, 9942), (3276, 6628), (3314, 6552), (4368, 4971)]