21103794

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 50265600

約数和(自身を除く): 29161806

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 67, 114, 134, 171, 201, 307, 342, 402, 513, 603, 614, 921, 1026, 1206, 1273, 1809, 1842, 2546, 2763, 3618, 3819, 5526, 5833, 7638, 8289, 11457, 11666, 16578, 17499, 20569, 22914, 34371, 34998, 41138, 52497, 61707, 68742, 104994, 123414, 157491, 185121, 314982, 370242, 390811, 555363, 781622, 1110726, 1172433, 2344866, 3517299, 7034598, 10551897, 21103794]

約数ペア:

[(1, 21103794), (2, 10551897), (3, 7034598), (6, 3517299), (9, 2344866), (18, 1172433), (19, 1110726), (27, 781622), (38, 555363), (54, 390811), (57, 370242), (67, 314982), (114, 185121), (134, 157491), (171, 123414), (201, 104994), (307, 68742), (342, 61707), (402, 52497), (513, 41138), (603, 34998), (614, 34371), (921, 22914), (1026, 20569), (1206, 17499), (1273, 16578), (1809, 11666), (1842, 11457), (2546, 8289), (2763, 7638), (3618, 5833), (3819, 5526)]