21215672397

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{419}}^1\times {\mathrm{739}}^1$

素因数の和:1518

約数の個数: 48

約数和(自身を含む): 32193907200

約数和(自身を除く): 10978234803

約数列:

[1, 3, 9, 23, 69, 207, 331, 419, 739, 993, 1257, 2217, 2979, 3771, 6651, 7613, 9637, 16997, 22839, 28911, 50991, 68517, 86733, 138689, 152973, 244609, 309641, 416067, 733827, 928923, 1248201, 2201481, 2786769, 3189847, 5626007, 7121743, 9569541, 16878021, 21365229, 28708623, 50634063, 64095687, 102491171, 307473513, 922420539, 2357296933, 7071890799, 21215672397]

約数ペア:

[(1, 21215672397), (3, 7071890799), (9, 2357296933), (23, 922420539), (69, 307473513), (207, 102491171), (331, 64095687), (419, 50634063), (739, 28708623), (993, 21365229), (1257, 16878021), (2217, 9569541), (2979, 7121743), (3771, 5626007), (6651, 3189847), (7613, 2786769), (9637, 2201481), (16997, 1248201), (22839, 928923), (28911, 733827), (50991, 416067), (68517, 309641), (86733, 244609), (138689, 152973)]