21399282

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{20857}}^1$

素因数の和:20887

約数の個数: 32

約数和(自身を含む): 50059200

約数和(自身を除く): 28659918

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 20857, 41714, 62571, 125142, 187713, 375426, 396283, 563139, 792566, 1126278, 1188849, 2377698, 3566547, 7133094, 10699641, 21399282]

約数ペア:

[(1, 21399282), (2, 10699641), (3, 7133094), (6, 3566547), (9, 2377698), (18, 1188849), (19, 1126278), (27, 792566), (38, 563139), (54, 396283), (57, 375426), (114, 187713), (171, 125142), (342, 62571), (513, 41714), (1026, 20857)]