21538608

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4931}}^1$

素因数の和:4962

約数の個数: 80

約数和(自身を含む): 68495616

約数和(自身を除く): 46957008

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 182, 208, 273, 312, 336, 364, 546, 624, 728, 1092, 1456, 2184, 4368, 4931, 9862, 14793, 19724, 29586, 34517, 39448, 59172, 64103, 69034, 78896, 103551, 118344, 128206, 138068, 192309, 207102, 236688, 256412, 276136, 384618, 414204, 448721, 512824, 552272, 769236, 828408, 897442, 1025648, 1346163, 1538472, 1656816, 1794884, 2692326, 3076944, 3589768, 5384652, 7179536, 10769304, 21538608]

約数ペア:

[(1, 21538608), (2, 10769304), (3, 7179536), (4, 5384652), (6, 3589768), (7, 3076944), (8, 2692326), (12, 1794884), (13, 1656816), (14, 1538472), (16, 1346163), (21, 1025648), (24, 897442), (26, 828408), (28, 769236), (39, 552272), (42, 512824), (48, 448721), (52, 414204), (56, 384618), (78, 276136), (84, 256412), (91, 236688), (104, 207102), (112, 192309), (156, 138068), (168, 128206), (182, 118344), (208, 103551), (273, 78896), (312, 69034), (336, 64103), (364, 59172), (546, 39448), (624, 34517), (728, 29586), (1092, 19724), (1456, 14793), (2184, 9862), (4368, 4931)]