21127734

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{379}}^1$

素因数の和:569

約数の個数: 48

約数和(自身を含む): 48609600

約数和(自身を除く): 27481866

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 163, 171, 326, 342, 379, 489, 758, 978, 1137, 1467, 2274, 2934, 3097, 3411, 6194, 6822, 7201, 9291, 14402, 18582, 21603, 27873, 43206, 55746, 61777, 64809, 123554, 129618, 185331, 370662, 555993, 1111986, 1173763, 2347526, 3521289, 7042578, 10563867, 21127734]

約数ペア:

[(1, 21127734), (2, 10563867), (3, 7042578), (6, 3521289), (9, 2347526), (18, 1173763), (19, 1111986), (38, 555993), (57, 370662), (114, 185331), (163, 129618), (171, 123554), (326, 64809), (342, 61777), (379, 55746), (489, 43206), (758, 27873), (978, 21603), (1137, 18582), (1467, 14402), (2274, 9291), (2934, 7201), (3097, 6822), (3411, 6194)]