21363972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{607}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 57200640

約数和(自身を除く): 35836668

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 419, 607, 838, 1214, 1257, 1676, 1821, 2428, 2514, 2933, 3642, 4249, 5028, 5866, 7284, 8498, 8799, 11732, 12747, 16996, 17598, 25494, 35196, 50988, 254333, 508666, 762999, 1017332, 1525998, 1780331, 3051996, 3560662, 5340993, 7121324, 10681986, 21363972]

約数ペア:

[(1, 21363972), (2, 10681986), (3, 7121324), (4, 5340993), (6, 3560662), (7, 3051996), (12, 1780331), (14, 1525998), (21, 1017332), (28, 762999), (42, 508666), (84, 254333), (419, 50988), (607, 35196), (838, 25494), (1214, 17598), (1257, 16996), (1676, 12747), (1821, 11732), (2428, 8799), (2514, 8498), (2933, 7284), (3642, 5866), (4249, 5028)]