21519414

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{733}}^1$

素因数の和:981

約数の個数: 48

約数和(自身を含む): 53587872

約数和(自身を除く): 32068458

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 233, 466, 699, 733, 1398, 1466, 1631, 2097, 2199, 3262, 4194, 4398, 4893, 5131, 6597, 9786, 10262, 13194, 14679, 15393, 29358, 30786, 46179, 92358, 170789, 341578, 512367, 1024734, 1195523, 1537101, 2391046, 3074202, 3586569, 7173138, 10759707, 21519414]

約数ペア:

[(1, 21519414), (2, 10759707), (3, 7173138), (6, 3586569), (7, 3074202), (9, 2391046), (14, 1537101), (18, 1195523), (21, 1024734), (42, 512367), (63, 341578), (126, 170789), (233, 92358), (466, 46179), (699, 30786), (733, 29358), (1398, 15393), (1466, 14679), (1631, 13194), (2097, 10262), (2199, 9786), (3262, 6597), (4194, 5131), (4398, 4893)]