21497953386

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{742897}}^1$

素因数の和:742975

約数の個数: 64

約数和(自身を含む): 53916565248

約数和(自身を除く): 32418611862

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 53, 78, 91, 106, 159, 182, 273, 318, 371, 546, 689, 742, 1113, 1378, 2067, 2226, 4134, 4823, 9646, 14469, 28938, 742897, 1485794, 2228691, 4457382, 5200279, 9657661, 10400558, 15600837, 19315322, 28972983, 31201674, 39373541, 57945966, 67603627, 78747082, 118120623, 135207254, 202810881, 236241246, 275614787, 405621762, 511856033, 551229574, 826844361, 1023712066, 1535568099, 1653688722, 3071136198, 3582992231, 7165984462, 10748976693, 21497953386]

約数ペア:

[(1, 21497953386), (2, 10748976693), (3, 7165984462), (6, 3582992231), (7, 3071136198), (13, 1653688722), (14, 1535568099), (21, 1023712066), (26, 826844361), (39, 551229574), (42, 511856033), (53, 405621762), (78, 275614787), (91, 236241246), (106, 202810881), (159, 135207254), (182, 118120623), (273, 78747082), (318, 67603627), (371, 57945966), (546, 39373541), (689, 31201674), (742, 28972983), (1113, 19315322), (1378, 15600837), (2067, 10400558), (2226, 9657661), (4134, 5200279), (4823, 4457382), (9646, 2228691), (14469, 1485794), (28938, 742897)]